HD Style CS Units

HDA-B-CS – Horizontal Airflow

Select An Efficiency:

81%80%

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-B-CSF	PDF	150	122	10 to 1	3750	0.44	100	1125	0.02	21.04	30.61	44.21	18.19	210	4	2.5
HDA200-B-CSF	PDF	200	162	10 to 1	5000	0.78	100	1500	0.06	21.04	30.61	44.21	18.19	220	4	2.5
HDA250-B-CSF	PDF	250	202	5 to 1	6250	0.79	100	1875	0.07	24.29	30.61	44.21	18.19	250	4	2.5
HDA250-B-CSF (6)	PDF	250	202	10 to 1	6250	0.56	100	1875	0.05	27.54	30.61	44.21	18.19	264	4	2.5
HDA300-B-CSF	PDF	300	243	10 to 1	7500	0.8	100	2250	0.07	27.54	30.61	44.21	18.19	264	4	2.5
HDA350-B-CSF	PDF	350	284	5 to 1	8750	0.81	100	2625	0.08	30.79	30.61	44.21	18.19	370	4	2.5
HDA350-B-CSF (8)	PDF	350	284	10 to 1	8750	0.67	100	2625	0.06	34.04	30.61	44.21	18.19	417	4	2.5
HDA400-B-CSF	PDF	400	324	10 to 1	10000	0.88	100	3000	0.08	34.04	30.61	44.21	18.19	417	4	2.5
HDA500-B-CSF	PDF	500	405	10 to 1	12500	0.96	100	3750	0.09	40.54	30.61	44.21	18.19	456	5	N/a
HDA600-B-CSF	PDF	600	486	10 to 1	15000	1.02	100	4500	0.1	47.04	30.61	44.21	18.19	496	5	N/a
HDA150-B-CSF-X2	PDF	300	243	10 to 1	3750	0.87	200	1125	0.03	21.04	61.1	44.21	18.19	463	8	5
HDA200-B-CSF-X2	PDF	400	324	20 to 1	5000	1.55	200	1500	0.12	21.04	61.1	44.21	18.19	463	8	5
HDA250-B-CSF-X2	PDF	500	405	10 to 1	6250	1.57	200	1875	0.13	24.29	61.1	44.21	18.19	536	8	5
HDA250-B-CSF-X2 (6)	PDF	500	405	20 to 1	6250	1.11	200	1875	0.11	27.54	61.1	44.21	18.19	556	8	5
HDA300-B-CSF-X2	PDF	600	486	20 to 1	7500	1.59	200	2250	0.15	27.54	61.1	44.21	18.19	556	8	5
HDA350-B-CSF-X2	PDF	700	567	10 to 1	8750	1.61	200	2625	0.15	30.79	61.1	44.21	18.19	635	8	5
HDA350-B-CSF-X2 (8)	PDF	700	567	20 to 1	8750	1.34	200	2625	0.12	34.04	61.1	44.21	18.19	877	8	5
HDA400-B-CSF-X2	PDF	800	648	20 to 1	10000	1.75	200	3000	0.16	34.04	61.1	44.21	18.19	877	8	5
HDA500-B-CSF-X2	PDF	1000	810	20 to 1	12500	1.91	200	3750	0.18	40.54	61.1	44.21	18.19	960	10	N/a
HDA600-B-CSF-X2	PDF	1200	972	20 to 1	15000	2.05	200	4500	0.19	47.04	61.1	44.21	18.19	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-B-CST	PDF	150	122	10 to 1	3750	0.44	100	1125	0.02	21.04	30.61	44.21	18.19	210	4	2.5
HDA200-B-CST	PDF	200	162	10 to 1	5000	0.78	100	1500	0.06	21.04	30.61	44.21	18.19	220	4	2.5
HDA250-B-CST	PDF	250	202	5 to 1	6250	0.79	100	1875	0.07	24.29	30.61	44.21	18.19	250	4	2.5
HDA250-B-CST (6)	PDF	250	202	10 to 1	6250	0.56	100	1875	0.05	27.54	30.61	44.21	18.19	264	4	2.5
HDA300-B-CST	PDF	300	243	10 to 1	7500	0.8	100	2250	0.07	27.54	30.61	44.21	18.19	264	4	2.5
HDA350-B-CST	PDF	350	284	5 to 1	8750	0.81	100	2625	0.08	30.79	30.61	44.21	18.19	370	4	2.5
HDA350-B-CST (8)	PDF	350	284	10 to 1	8750	0.67	100	2625	0.06	34.04	30.61	44.21	18.19	417	4	2.5
HDA400-B-CST	PDF	400	324	10 to 1	10000	0.88	100	3000	0.08	34.04	30.61	44.21	18.19	417	4	2.5
HDA500-B-CST	PDF	500	405	10 to 1	12500	0.96	100	3750	0.09	40.54	30.61	44.21	18.19	456	5	N/a
HDA600-B-CST	PDF	600	486	10 to 1	15000	1.02	100	4500	0.1	47.04	30.61	44.21	18.19	496	5	N/a
HDA150-B-CST-X2	PDF	300	243	10 to 1	3750	0.87	200	1125	0.03	21.04	61.1	44.21	18.19	463	8	5
HDA200-B-CST-X2	PDF	400	324	20 to 1	5000	1.55	200	1500	0.12	21.04	61.1	44.21	18.19	463	8	5
HDA250-B-CST-X2	PDF	500	405	10 to 1	6250	1.57	200	1875	0.13	24.29	61.1	44.21	18.19	536	8	5
HDA250-B-CST-X2 (6)	PDF	500	405	20 to 1	6250	1.11	200	1875	0.11	27.54	61.1	44.21	18.19	556	8	5
HDA300-B-CST-X2	PDF	600	486	20 to 1	7500	1.59	200	2250	0.15	27.54	61.1	44.21	18.19	556	8	5
HDA350-B-CST-X2	PDF	700	567	10 to 1	8750	1.61	200	2625	0.15	30.79	61.1	44.21	18.19	635	8	5
HDA350-B-CST-X2 (8)	PDF	700	567	20 to 1	8750	1.34	200	2625	0.12	34.04	61.1	44.21	18.19	877	8	5
HDA400-B-CST-X2	PDF	800	648	20 to 1	10000	1.75	200	3000	0.16	34.04	61.1	44.21	18.19	877	8	5
HDA500-B-CST-X2	PDF	1000	810	20 to 1	12500	1.91	200	3750	0.18	40.54	61.1	44.21	18.19	960	10	N/a
HDA600-B-CST-X2	PDF	1200	972	20 to 1	15000	2.05	200	4500	0.19	47.04	61.1	44.21	18.19	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-B-CST	PDF	150	120	10 to 1	5556	0.39	100	1111	0.02	21.98	31.83	45.77	19.18	210	4	2.5
HDA200-B-CST	PDF	200	160	10 to 1	7407	0.67	100	1481	0.03	21.98	31.83	45.77	19.18	496	4	2.5
HDA250-B-CST	PDF	250	200	5 to 1	9259	0.83	100	1852	0.04	25.23	31.83	45.77	19.18	250	4	2.5
HDA250-B-CST (6)	PDF	250	200	10 to 1	9259	0.69	100	1852	0.03	25.23	31.83	45.77	19.18	264	4	2.5
HDA300-B-CST	PDF	300	240	10 to 1	11111	0.96	100	2222	0.05	28.48	31.83	45.77	19.18	264	4	2.5
HDA350-B-CST	PDF	350	280	5 to 1	12963	1.09	100	2593	0.06	31.73	31.83	45.77	19.18	370	4	2.5
HDA350-B-CST (8)	PDF	350	280	10 to 1	12963	0.93	100	2593	0.05	31.73	31.83	45.77	19.18	417	4	2.5
HDA400-B-CST	PDF	400	320	10 to 1	14815	1.2	100	2963	0.06	34.98	31.83	45.77	19.18	417	4	2.5
HDA500-B-CST	PDF	500	400	10 to 1	18519	1.38	100	3704	0.07	42	31.83	45.77	19.12	456	5	N/a
HDA600-B-CST	PDF	600	480	10 to 1	22222	1.52	100	4444	0.08	48	31.83	45.77	19.12	496	5	N/a
HDA200-B-CST-X2	PDF	400	320	20 to 1	7407	1.34	200	1481	0.06	21.98	61.81	45.77	19.18	463	8	5
HDA250-B-CST-X2	PDF	500	400	10 to 1	9259	1.66	200	1852	0.08	25.23	61.81	45.77	19.18	536	8	5
HDA250-B-CST-X2 (6)	PDF	500	400	20 to 1	9259	1.38	200	1852	0.06	25.23	61.81	45.77	19.18	556	8	5
HDA300-B-CST-X2	PDF	600	480	20 to 1	11111	1.93	200	2222	0.1	28.48	63.66	45.77	19.18	556	8	5
HDA350-B-CST-X2	PDF	700	560	10 to 1	12963	2.17	200	2593	0.11	31.73	63.66	45.77	19.18	635	8	5
HDA350-B-CST-X2 (8)	PDF	700	560	20 to 1	12963	1.86	200	2593	0.09	31.73	61.81	45.77	19.18	877	8	5
HDA400-B-CST-X2	PDF	800	640	20 to 1	14815	2.39	200	2963	0.12	34.98	63.66	45.77	19.18	877	8	5
HDA500-B-CST-X2	PDF	1000	800	20 to 1	18519	2.75	200	3704	0.14	42	63.66	45.77	19.12	1032	10	N/a
HDA600-B-CST-X2	PDF	1200	960	20 to 1	22222	3.04	200	4444	0.16	48	63.66	45.77	19.12	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-B-CSF	PDF	150	120	10 to 1	5556	0.39	100	1111	0.02	21.98	31.83	45.77	19.18	210	4	2.5
HDA200-B-CSF	PDF	200	160	10 to 1	7407	0.67	100	1481	0.03	21.98	31.83	45.77	19.18	496	4	2.5
HDA250-B-CSF	PDF	250	200	5 to 1	9259	0.83	100	1852	0.04	25.23	31.83	45.77	19.18	250	4	2.5
HDA250-B-CSF (6)	PDF	250	200	10 to 1	9259	0.69	100	1852	0.03	25.23	31.83	45.77	19.18	264	4	2.5
HDA300-B-CSF	PDF	300	240	10 to 1	11111	0.96	100	2222	0.05	28.48	31.83	45.77	19.18	264	4	2.5
HDA350-B-CSF	PDF	350	280	5 to 1	12963	1.09	100	2593	0.06	31.73	31.83	45.77	19.18	370	4	2.5
HDA350-B-CSF (8)	PDF	350	280	10 to 1	12963	0.93	100	2593	0.05	31.73	31.83	45.77	19.18	417	4	2.5
HDA400-B-CSF	PDF	400	320	10 to 1	14815	1.2	100	2963	0.06	34.98	31.83	45.77	19.18	417	4	2.5
HDA500-B-CSF	PDF	500	400	10 to 1	18519	1.38	100	3704	0.07	42	31.83	45.77	19.12	456	5	N/a
HDA600-B-CSF	PDF	600	480	10 to 1	22222	1.52	100	4444	0.08	48	31.83	45.77	19.12	496	5	N/a
HDA150-B-CSF-X2	PDF	300	240	10 to 1	5556	0.78	200	1111	0.04	21.98	61.81	45.77	19.18	463	8	5
HDA200-B-CSF-X2	PDF	400	320	20 to 1	7407	1.34	200	1481	0.06	21.98	61.81	45.77	19.18	463	8	5
HDA250-B-CSF-X2	PDF	500	400	10 to 1	9259	1.66	200	1852	0.08	25.23	61.81	45.77	19.18	536	8	5
HDA250-B-CSF-X2 (6)	PDF	500	400	20 to 1	9259	1.38	200	1852	0.06	25.23	61.81	45.77	19.18	556	8	5
HDA300-B-CSF-X2	PDF	600	480	20 to 1	11111	1.93	200	2222	0.1	28.48	63.66	45.77	19.18	556	8	5
HDA350-B-CSF-X2	PDF	700	560	10 to 1	12963	2.17	200	2593	0.11	31.73	63.66	45.77	19.18	635	8	5
HDA350-B-CSF-X2 (8)	PDF	700	560	20 to 1	12963	1.86	200	2593	0.09	31.73	61.81	45.77	19.18	877	8	5
HDA400-B-CSF-X2	PDF	800	640	20 to 1	14815	2.39	200	2963	0.12	34.98	63.66	45.77	19.18	877	8	5
HDA500-B-CSF-X2	PDF	1000	800	20 to 1	18519	2.75	200	3704	0.14	42	63.66	45.77	19.12	1032	10	N/a
HDA600-B-CSF-X2	PDF	1200	960	20 to 1	22222	3.04	200	4444	0.16	48	63.66	45.77	19.12	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDA-F-CS – Vertical Airflow

Select An Efficiency:

81%80%

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-F-CSF	PDF	150	122	10 to 1	3750	0.44	100	1125	0.02	21.23	41.42	44.03	18.19	210	4	2.5
HDA200-F-CSF	PDF	200	162	10 to 1	5000	0.78	100	1500	0.06	21.23	41.42	44.03	18.19	220	4	2.5
HDA250-F-CSF	PDF	250	202	5 to 1	6250	0.79	100	1875	0.07	24.48	41.42	44.03	18.19	250	4	2.5
HDA250-F-CSF (6)	PDF	250	202	10 to 1	6250	0.56	100	1875	0.01	27.73	41.42	44.03	18.19	264	4	2.5
HDA300-F-CSF	PDF	300	243	10 to 1	7500	0.8	100	2250	0.07	27.73	41.42	44.03	18.19	264	4	2.5
HDA350-F-CSF	PDF	350	284	5 to 1	8750	0.81	100	2625	0.08	30.98	41.42	44.03	18.19	370	4	2.5
HDA350-F-CSF (8)	PDF	350	284	10 to 1	8750	0.67	100	2625	0.06	34.23	41.42	44.03	18.19	417	4	2.5
HDA400-F-CSF	PDF	400	324	10 to 1	10000	0.88	100	3000	0.08	34.23	41.42	44.03	18.19	417	4	2.5
HDA500-F-CSF	PDF	500	405	10 to 1	12500	0.96	100	3750	0.09	40.73	41.42	44.03	18.19	456	5	N/a
HDA600-F-CSF	PDF	600	486	10 to 1	15000	1.02	100	4500	0.1	47.23	41.42	44.03	18.19	496	5	N/a
HDA150-F-CSF-X2	PDF	300	243	10 to 1	3750	0.87	200	1125	0.03	42.34	41.42	44.03	18.19	463	8	5
HDA200-F-CSF-X2	PDF	400	324	20 to 1	5000	1.55	200	1500	0.12	42.34	41.42	44.03	18.19	463	8	5
HDA250-F-CSF-X2	PDF	500	405	10 to 1	6250	1.57	200	1875	0.13	48.84	41.42	44.03	18.19	536	8	5
HDA250-F-CSF-X2 (6)	PDF	500	405	20 to 1	6250	1.11	200	1875	0.11	55.34	41.42	44.03	18.19	556	8	5
HDA300-F-CSF-X2	PDF	600	486	20 to 1	7500	1.59	200	2250	0.15	55.34	41.42	44.03	18.19	556	8	5
HDA350-F-CSF-X2	PDF	700	567	10 to 1	8750	1.61	200	2625	0.15	61.84	41.42	44.03	18.19	635	8	5
HDA350-F-CSF-X2 (8)	PDF	700	567	20 to 1	8750	1.34	200	2625	0.12	68.34	41.42	44.03	18.19	877	8	5
HDA400-F-CSF-X2	PDF	800	648	20 to 1	10000	1.75	200	3000	0.16	68.34	41.42	44.03	18.19	877	8	5
HDA500-F-CSF-X2	PDF	1000	810	20 to 1	12500	1.91	200	3750	0.18	81.34	41.42	44.03	18.19	1032	10	N/a
HDA600-F-CSF-X2	PDF	1200	972	20 to 1	15000	2.05	200	4500	0.19	94.34	41.42	44.03	18.19	1032	10	N/a

Note: For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-F-CST	PDF	150	122	10 to 1	3750	0.44	100	1125	0.02	21.23	41.42	44.03	18.19	210	4	2.5
HDA200-F-CST	PDF	200	162	10 to 1	5000	0.78	100	1500	0.06	21.23	41.42	44.03	18.19	220	4	2.5
HDA250-F-CST	PDF	250	202	5 to 1	6250	0.79	100	1875	0.07	24.48	41.42	44.03	18.19	250	4	2.5
HDA250-F-CST (6)	PDF	250	202	10 to 1	6250	0.56	100	1875	0.01	27.73	41.42	44.03	18.19	264	4	2.5
HDA300-F-CST	PDF	300	243	10 to 1	7500	0.8	100	2250	0.07	27.73	41.42	44.03	18.19	264	4	2.5
HDA350-F-CST	PDF	350	284	5 to 1	8750	0.81	100	2625	0.08	30.98	41.42	44.03	18.19	370	4	2.5
HDA350-F-CST (8)	PDF	350	284	10 to 1	8750	0.67	100	2625	0.06	34.23	41.42	44.03	18.19	417	4	2.5
HDA400-F-CST	PDF	400	324	10 to 1	10000	0.88	100	3000	0.08	34.23	41.42	44.03	18.19	417	4	2.5
HDA500-F-CST	PDF	500	405	10 to 1	12500	0.96	100	3750	0.09	40.73	41.42	44.03	18.19	456	5	N/a
HDA600-F-CST	PDF	600	486	10 to 1	15000	1.02	100	4500	0.1	47.23	41.42	44.03	18.19	496	5	N/a
HDA150-F-CST-X2	PDF	300	243	10 to 1	3750	0.87	200	1125	0.03	42.34	41.42	44.03	18.19	463	8	5
HDA200-F-CST-X2	PDF	400	324	20 to 1	5000	1.55	200	1500	0.12	42.34	41.42	44.03	18.19	463	8	5
HDA250-F-CST-X2	PDF	500	405	10 to 1	6250	1.57	200	1875	0.13	48.84	41.42	44.03	18.19	536	8	5
HDA250-F-CST-X2 (6)	PDF	500	405	20 to 1	6250	1.11	200	1875	0.11	55.34	41.42	44.03	18.19	556	8	5
HDA300-F-CST-X2	PDF	600	486	20 to 1	7500	1.59	200	2250	0.15	55.34	41.42	44.03	18.19	556	8	5
HDA350-F-CST-X2	PDF	700	567	10 to 1	8750	1.61	200	2625	0.15	61.84	41.42	44.03	18.19	635	8	5
HDA350-F-CST-X2 (8)	PDF	700	567	20 to 1	8750	1.34	200	2625	0.12	68.34	41.42	44.03	18.19	877	8	5
HDA400-F-CST-X2	PDF	800	648	20 to 1	10000	1.75	200	3000	0.16	68.34	41.42	44.03	18.19	877	8	5
HDA500-F-CST-X2	PDF	1000	810	20 to 1	12500	1.91	200	3750	0.18	81.34	41.42	44.03	18.19	1032	10	N/a
HDA600-F-CST-X2	PDF	1200	972	20 to 1	15000	2.05	200	4500	0.19	94.34	41.42	44.03	18.19	1032	10	N/a

Note: For Propane gas, turndown is 60% of stated natural gas turndown.

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-F-CST	PDF	150	120	10 to 1	5556	0.39	100	1111	0.02	21.98	31.83	45.77	19.18	210	4	2.5
HDA200-F-CST	PDF	200	160	10 to 1	7407	0.67	100	1481	0.03	22.67	32.32	45.75	19.16	220	4	2.5
HDA250-F-CST	PDF	250	200	5 to 1	9259	0.83	100	1852	0.04	25.92	32.32	45.75	19.16	250	4	2.5
HDA250-F-CST (6)	PDF	250	200	10 to 1	9259	0.69	100	1852	0.03	29.17	32.32	45.78	19.19	264	4	2.5
HDA300-F-CST	PDF	300	240	10 to 1	11111	0.96	100	2222	0.05	29.17	32.32	45.75	19.16	264	4	2.5
HDA350-F-CST	PDF	350	280	5 to 1	12963	1.09	100	2593	0.06	32.42	32.32	45.75	19.16	370	4	2.5
HDA350-F-CST (8)	PDF	350	280	10 to 1	12963	0.93	100	2593	0.05	35.67	32.32	45.78	19.19	417	4	2.5
HDA400-F-CST	PDF	400	320	10 to 1	14815	1.2	100	2963	0.06	35.67	32.32	45.75	19.16	417	4	2.5
HDA500-F-CST	PDF	500	400	10 to 1	18519	1.38	100	3704	0.07	42.17	32.32	45.81	19.1	456	5	N/a
HDA600-F-CST	PDF	600	480	10 to 1	22222	1.52	100	4444	0.08	48.67	32.32	45.81	19.1	496	5	N/a
HDA150-F-CST-X2	PDF	300	240	10 to 1	11112	0.78	200	2222	0.04	43.49	31.39	45.77	19.18	463	8	5
HDA200-F-CST-X2	PDF	400	320	20 to 1	14814	1.34	200	2962	0.06	43.49	31.39	45.77	19.18	463	8	5
HDA250-F-CST-X2	PDF	500	400	10 to 1	18518	1.66	200	3704	0.08	49.99	31.39	45.77	19.18	536	8	5
HDA250-F-CST-X2 (6)	PDF	500	400	20 to 1	18518	1.38	200	3704	0.06	56.49	31.39	45.77	19.18	556	8	5
HDA300-F-CST-X2	PDF	600	480	20 to 1	22222	1.93	200	4444	0.1	56.49	31.39	45.77	19.18	556	8	5
HDA350-F-CST-X2	PDF	700	560	10 to 1	25926	2.17	200	5186	0.11	62.99	31.39	45.77	19.18	635	8	5
HDA350-F-CST-X2 (8)	PDF	700	560	20 to 1	25926	1.86	200	5186	0.09	69.49	31.39	45.77	19.18	877	8	5
HDA400-F-CST-X2	PDF	800	640	20 to 1	29630	2.39	200	5926	0.12	69.49	31.39	45.77	19.18	877	8	5
HDA500-F-CST-X2	PDF	1000	800	20 to 1	37038	2.75	200	7408	0.14	82.49	31.39	45.81	19.12	1032	10	N/a
HDA600-F-CST-X2	PDF	1200	960	20 to 1	44444	3.04	200	8888	0.16	95.49	31.39	45.81	19.12	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-F-CSF-X2	PDF	300	240	10 to 1	11112	0.78	200	2222	0.04	43.49	41.49	45.77	19.18	463	8	5
HDA200-F-CSF-X2	PDF	400	320	20 to 1	14814	1.34	200	2962	0.06	43.49	41.49	45.77	19.18	463	8	5
HDA250-F-CSF-X2	PDF	500	400	10 to 1	18518	1.66	200	3704	0.08	49.99	41.49	45.77	19.18	536	8	5
HDA250-F-CSF-X2 (6)	PDF	500	400	20 to 1	18518	1.38	200	3704	0.06	56.49	41.49	45.77	19.18	556	8	5
HDA300-F-CSF-X2	PDF	600	480	20 to 1	22222	1.93	200	4444	0.1	56.49	41.49	45.77	19.18	556	8	5
HDA350-F-CSF-X2	PDF	700	560	10 to 1	25926	2.17	200	5186	0.11	62.99	41.49	45.77	19.18	635	8	5
HDA350-F-CSF-X2 (8)	PDF	700	560	20 to 1	25926	1.86	200	5186	0.09	69.49	41.49	45.77	19.18	877	8	5
HDA400-F-CSF-X2	PDF	800	640	20 to 1	29630	2.39	200	5926	0.12	69.49	41.49	45.77	19.18	877	8	5
HDA500-F-CSF-X2	PDF	1000	800	20 to 1	37038	2.75	200	7408	0.14	82.49	41.49	45.77	19.12	1032	10	N/a
HDA600-F-CSF-X2	PDF	1200	960	20 to 1	44444	3.04	200	8888	0.16	95.49	41.49	45.77	19.12	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDA-M-CS – Horizontal Airflow

Select An Efficiency:

80%81% (Coming Soon)

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

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Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V
HDA150-M-CST	PDF	150	120	10 to 1	5556	0.02	60	1852	0.01	31.83	21.98	45.77	19.18	210	4
HDA200-M-CST	PDF	200	160	10 to 1	7407	0.03	60	2469	0.01	32.32	22.67	45.78	19.13	220	4
HDA250-M-CST	PDF	250	200	5 to 1	9259	0.06	60	3086	0.01	32.32	24.18	45.75	19.16	250	4
HDA250-M-CST (6)	PDF	250	200	10 to 1	9259	0.08	60	3086	0.01	32.32	24.18	45.75	19.16	264	4
HDA300-M-CST	PDF	300	240	10 to 1	11111	0.11	60	3704	0.01	32.32	27.43	45.75	19.16	264	4
HDA350-M-CST	PDF	350	280	5 to 1	12963	0.17	60	4321	0.02	32.32	32.42	45.75	19.16	370	4
HDA350-M-CST (8)	PDF	350	280	10 to 1	12963	0.19	60	4321	0.03	32.32	32.42	45.75	19.16	417	4
HDA400-M-CST	PDF	400	320	10 to 1	14815	0.25	60	4938	0.03	32.32	35.67	45.75	19.16	417	4
HDA500-M-CST	PDF	500	400	10 to 1	18519	0.47	60	6173	0.06	32.32	42.17	45.81	19.1	456	5
HDA600-M-CST	PDF	600	480	10 to 1	22222	0.79	60	7407	0.1	32.32	48.67	45.81	19.1	496	5
HDA150-M-CST-X2	PDF	300	240	10 to 1	5556	0.04	120	1852	0.02	31.39	43.49	45.77	19.18	463	8
HDA200-M-CST-X2	PDF	400	320	20 to 1	7407	0.06	120	2469	0.02	31.39	43.49	45.77	19.18	463	8
HDA250-M-CST-X2	PDF	500	400	10 to 1	9259	0.12	120	3086	0.02	31.39	49.99	45.77	19.18	536	8
HDA250-M-CST-X2 (6)	PDF	500	400	20 to 1	9259	0.16	120	3086	0.02	31.39	56.49	45.77	19.18	556	8
HDA300-M-CST-X2	PDF	600	480	20 to 1	11111	0.22	120	3704	0.02	31.39	56.49	45.77	19.18	556	8
HDA350-M-CST-X2	PDF	700	560	10 to 1	12963	0.34	120	4321	0.04	31.39	62.99	45.77	19.18	635	8
HDA350-M-CST-X2 (8)	PDF	700	560	20 to 1	12963	0.38	120	4321	0.06	31.39	69.49	45.77	19.18	877	8
HDA400-M-CST-X2	PDF	800	640	20 to 1	14815	0.5	120	4938	0.06	31.39	69.49	45.77	19.18	877	8
HDA500-M-CST-X2	PDF	1000	800	20 to 1	18519	0.94	120	6173	0.12	31.39	82.49	45.77	19.12	1032	10
HDA600-M-CST-X2	PDF	1200	960	20 to 1	22222	1.58	120	7407	0.2	31.39	95.49	45.77	19.12	1032	10

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-M-CSF-X2	PDF	300	240	10 to 1	5556	0.04	120	1852	0.02	41.49	43.49	45.77	19.18	463	8	5
HDA200-M-CSF-X2	PDF	400	320	20 to 1	7407	0.06	120	2469	0.02	41.49	43.49	45.77	19.18	463	8	5
HDA250-M-CSF-X2	PDF	500	400	10 to 1	9259	0.12	120	3086	0.02	41.49	49.99	45.77	19.18	536	8	5
HDA250-M-CSF-X2 (6)	PDF	500	400	20 to 1	9259	0.16	120	3086	0.02	41.49	56.49	45.77	19.18	556	8	5
HDA300-M-CSF-X2	PDF	600	480	20 to 1	11111	0.22	120	3704	0.02	41.49	56.49	45.77	19.18	556	8	5
HDA350-M-CSF-X2	PDF	700	560	10 to 1	12963	0.34	120	4321	0.04	41.49	62.99	45.77	19.18	635	8	5
HDA350-M-CSF-X2 (8)	PDF	700	560	20 to 1	12963	0.38	120	4321	0.06	41.49	69.49	45.77	19.18	877	8	5
HDA400-M-CSF-X2	PDF	800	640	20 to 1	14815	0.5	120	4938	0.06	41.49	69.49	45.77	19.18	877	8	5
HDA500-M-CSF-X2	PDF	1000	800	20 to 1	18519	0.94	120	6173	0.12	41.49	82.49	45.77	19.12	1032	10	N/a
HDA600-M-CSF-X2	PDF	1200	960	20 to 1	22222	1.58	120	7407	0.2	41.49	95.49	45.77	19.12	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDA-I-CS – Vertical Airflow

Select An Efficiency:

81%81% (Coming Soon)

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

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Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-I-CST	PDF	150	120	10 to 1	5556	0.02	60	1852	0.01	31.83	21.98	45.77	19.18	210	4	2.5
HDA200-I-CST	PDF	200	160	10 to 1	7407	0.03	60	2469	0.01	30.08	21.98	45.77	19.18	220	4	2.5
HDA250-I-CST	PDF	250	200	5 to 1	9259	0.06	60	3086	0.01	30.08	25.23	45.77	19.18	250	4	2.5
HDA250-I-CST (6)	PDF	250	200	10 to 1	9259	0.08	60	3086	0.01	31.83	29.42	45.78	19.19	264	4	2.5
HDA300-I-CST	PDF	300	240	10 to 1	11111	0.11	60	3704	0.01	30.08	28.48	45.77	19.18	264	4	2.5
HDA350-I-CST	PDF	350	280	5 to 1	12963	0.17	60	4321	0.02	30.08	31.73	45.77	19.18	370	4	2.5
HDA350-I-CST (8)	PDF	350	280	10 to 1	12963	0.19	60	4321	0.03	31.83	35.92	45.78	19.19	417	4	2.5
HDA400-I-CST	PDF	400	320	10 to 1	14815	0.25	60	4938	0.03	30.08	34.98	45.77	19.18	417	4	2.5
HDA500-I-CST	PDF	500	400	10 to 1	18519	0.47	60	6173	0.06	30.08	40	45.77	19.12	456	5	N/a
HDA600-I-CST	PDF	600	480	10 to 1	22222	0.79	60	7407	0.1	30.08	46	45.77	19.12	496	5	N/a
HDA150-I-CST-X2	PDF	300	240	10 to 1	11112	0.04	120	3704	0.02	61.81	21.99	45.77	19.18	463	8	5
HDA200-I-CST-X2	PDF	400	320	20 to 1	14814	0.06	120	4938	0.02	61.81	21.99	45.77	19.18	463	8	5
HDA250-I-CST-X2	PDF	500	400	10 to 1	18518	0.12	120	6172	0.02	61.81	25.24	45.77	19.18	536	8	5
HDA250-I-CST-X2 (6)	PDF	500	400	20 to 1	18518	0.16	120	6172	0.02	61.81	28.49	45.77	19.18	556	8	5
HDA300-I-CST-X2	PDF	600	480	20 to 1	22222	0.22	120	7408	0.02	61.81	28.49	45.77	19.18	556	8	5
HDA350-I-CST-X2	PDF	700	560	10 to 1	25926	0.34	120	8642	0.04	61.81	31.74	45.77	19.18	635	8	5
HDA350-I-CST-X2 (8)	PDF	700	560	20 to 1	25926	0.38	120	8642	0.06	61.81	34.99	45.77	19.18	877	8	5
HDA400-I-CST-X2	PDF	800	640	20 to 1	29630	0.5	120	9876	0.06	61.81	34.99	45.77	19.18	877	8	5
HDA500-I-CST-X2	PDF	1000	800	20 to 1	37038	0.94	120	12346	0.12	61.81	41.49	45.81	19.12	1032	10	N/a
HDA600-I-CST-X2	PDF	1200	960	20 to 1	44444	1.58	120	14814	0.2	61.81	47.99	45.81	19.12	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-I-CSF-X2	PDF	300	240	10 to 1	11112	0.04	120	3704	0.02	61.81	21.99	45.77	19.18	463	8	5
HDA200-I-CSF-X2	PDF	400	320	20 to 1	14814	0.06	120	4938	0.02	61.81	21.99	45.77	19.18	463	8	5
HDA250-I-CSF-X2	PDF	500	400	10 to 1	18518	0.12	120	6172	0.02	61.81	25.24	45.77	19.18	536	8	5
HDA250-I-CSF-X2 (6)	PDF	500	400	20 to 1	18518	0.16	120	6172	0.02	61.81	28.49	45.77	19.18	556	8	5
HDA300-I-CSF-X2	PDF	600	480	20 to 1	22222	0.22	120	7408	0.02	61.81	28.49	45.77	19.18	556	8	5
HDA350-I-CSF-X2	PDF	700	560	10 to 1	25926	0.34	120	8642	0.04	61.81	31.74	45.77	19.18	635	8	5
HDA350-I-CSF-X2 (8)	PDF	700	560	20 to 1	25926	0.38	120	8642	0.06	61.81	34.99	45.77	19.18	877	8	5
HDA400-I-CSF-X2	PDF	800	640	20 to 1	29630	0.5	120	9876	0.06	61.81	34.99	45.77	19.18	877	8	5
HDA500-I-CSF-X2	PDF	1000	800	20 to 1	37038	0.94	120	12346	0.12	61.81	41.49	45.77	19.12	1032	10	N/a
HDA600-I-CSF-X2	PDF	1200	960	20 to 1	44444	1.58	120	14814	0.2	61.81	47.99	45.77	19.12	1032	10	N/a

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDB-B-CS – Horizontal Airflow

Select An Efficiency:

81%80

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

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Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB180-B-CSF	PDF	180	146	10 to 1	4500	0.11	90	1500	0.01	28.94	21.78	77.74	18.19	165	4	2.5
HDB200-B-CSF	PDF	200	162	10 to 1	5000	0.13	90	1667	0.02	28.94	21.78	77.74	18.19	165	4	2.5
HDB225-B-CSF	PDF	225	182	5 to 1	5625	0.16	90	1875	0.02	28.94	21.78	77.74	18.19	205	4	2.5
HDB250-B-CSF	PDF	250	202	5 to 1	6250	0.15	90	2083	0.02	28.94	21.78	77.74	18.19	205	4	2.5
HDB270-B-CSF	PDF	270	219	10 to 1	6750	0.13	90	2250	0.02	28.94	21.78	77.74	18.19	265	4	2.5
HDB300-B-CSF	PDF	300	243	10 to 1	7500	0.16	90	2500	0.02	28.94	21.78	77.74	18.19	265	4	2.5
HDB315-B-CSF	PDF	315	255	5 to 1	7875	0.15	90	2625	0.02	32.19	21.78	77.74	18.19	325	4	2.5
HDB350-B-CSF	PDF	350	284	5 to 1	8750	0.18	90	2917	0.02	32.19	21.78	77.74	18.19	325	4	2.5
HDB360-B-CSF	PDF	360	292	10 to 1	9000	0.16	90	3000	0.02	35.44	21.78	77.74	18.19	385	4	2.5
HDB375-B-CSF	PDF	375	304	10 to 1	9375	0.18	90	3125	0.02	35.44	21.78	77.74	18.19	385	4	2.5
HDB400-B-CSF	PDF	400	324	10 to 1	10000	0.2	90	3333	0.02	35.44	21.78	77.74	18.19	385	4	2.5
HDB500-B-CSF	PDF	500	405	10 to 1	12500	0.21	90	4167	0.02	41.94	24.28	77.74	18.19	460	5
HDB600-B-CSF	PDF	600	486	10 to 1	15000	0.23	90	5000	0.03	48.44	24.28	77.74	18.19	490	5
HDB180-B-CSF-X2	PDF	180	146	10 to 1	4500	0.21	180	1500	0.03	28.94	43.44	77.74	18.19	330	8	5
HDB200-B-CSF-X2	PDF	200	162	10 to 1	5000	0.13	90	1667	0.02	28.94	43.44	77.74	18.19	330	8	5
HDB225-B-CSF-X2	PDF	225	182	5 to 1	5625	0.33	180	1875	0.04	28.94	43.44	77.74	18.19	410	8	5
HDB250-B-CSF-X2	PDF	250	202	5 to 1	6250	0.3	180	2083	0.03	28.94	43.44	77.74	18.19	410	8	5
HDB270-B-CSF-X2	PDF	270	219	10 to 1	6750	0.26	180	2250	0.03	28.94	43.44	77.74	18.19	530	8	5
HDB300-B-CSF-X2	PDF	300	243	10 to 1	7500	0.32	180	2500	0.04	28.94	43.44	77.74	18.19	530	8	5
HDB315-B-CSF-X2	PDF	315	255	5 to 1	7875	0.29	180	2625	0.03	32.19	43.44	77.74	18.19	650	8	5
HDB350-B-CSF-X2	PDF	350	284	5 to 1	8750	0.36	180	2917	0.04	32.19	43.44	77.74	18.19	650	8	5
HDB360-B-CSF-X2	PDF	360	292	10 to 1	9000	0.32	180	3000	0.04	35.44	43.44	77.74	18.19	770	8	5
HDB375-B-CSF-X2	PDF	375	304	10 to 1	9375	0.35	180	3125	0.04	35.44	43.44	77.74	18.19	770	8	5
HDB400-B-CSF-X2	PDF	400	324	10 to 1	10000	0.4	180	3333	0.05	35.44	43.44	77.74	18.19	770	8	5
HDB500-B-CSF-X2	PDF	500	405	10 to 1	12500	0.42	180	4167	0.05	41.94	48.44	77.74	18.19	920	10
HDB600-B-CSF-X2	PDF	600	486	10 to 1	15000	0.46	180	5000	0.05	48.44	48.44	77.74	18.19	980	10

Note: For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB180-B-CST	PDF	180	146	10 to 1	4500	0.11	90	1500	0.01	28.94	21.78	77.74	18.19	165	4	2.5
HDB200-B-CST	PDF	200	162	10 to 1	5000	0.13	90	1667	0.02	28.94	21.78	77.74	18.19	165	4	2.5
HDB225-B-CST	PDF	225	182	5 to 1	5625	0.16	90	1875	0.02	28.94	21.78	77.74	18.19	205	4	2.5
HDB250-B-CST	PDF	250	202	5 to 1	6250	0.15	90	2083	0.02	28.94	21.78	77.74	18.19	205	4	2.5
HDB270-B-CST	PDF	270	219	10 to 1	6750	0.13	90	2250	0.02	28.94	21.78	77.74	18.19	265	4	2.5
HDB300-B-CST	PDF	300	243	10 to 1	7500	0.16	90	2500	0.02	28.94	21.78	77.74	18.19	265	4	2.5
HDB315-B-CST	PDF	315	255	5 to 1	7875	0.15	90	2625	0.02	32.19	21.78	77.74	18.19	325	4	2.5
HDB350-B-CST	PDF	350	284	5 to 1	8750	0.18	90	2917	0.02	32.19	21.78	77.74	18.19	325	4	2.5
HDB360-B-CST	PDF	360	292	10 to 1	9000	0.16	90	3000	0.02	35.44	21.78	77.74	18.19	385	4	2.5
HDB375-B-CST	PDF	375	304	10 to 1	9375	0.18	90	3125	0.02	35.44	21.78	77.74	18.19	385	4	2.5
HDB400-B-CST	PDF	400	324	10 to 1	10000	0.2	90	3333	0.02	35.44	21.78	77.74	18.19	385	4	2.5
HDB500-B-CST	PDF	500	405	10 to 1	12500	0.21	90	4167	0.02	41.94	24.28	77.74	18.19	460	5
HDB600-B-CST	PDF	600	486	10 to 1	15000	0.23	90	5000	0.03	48.44	24.28	77.74	18.19	490	5
HDB180-B-CST-X2	PDF	180	146	10 to 1	4500	0.21	180	1500	0.03	28.94	43.44	77.74	18.19	330	8	5
HDB200-B-CST-X2	PDF	200	162	10 to 1	5000	0.26	180	1667	0.03	28.94	43.44	77.74	18.19	330	8	5
HDB225-B-CST-X2	PDF	225	182	5 to 1	5625	0.33	180	1875	0.04	28.94	43.44	77.74	18.19	410	8	5
HDB250-B-CST-X2	PDF	250	202	5 to 1	6250	0.3	180	2083	0.03	28.94	43.44	77.74	18.19	410	8	5
HDB270-B-CST-X2	PDF	270	219	10 to 1	6750	0.26	180	2250	0.03	28.94	43.44	77.74	18.19	530	8	5
HDB300-B-CST-X2	PDF	300	243	10 to 1	7500	0.32	180	2500	0.04	28.94	43.44	77.74	18.19	530	8	5
HDB315-B-CST-X2	PDF	315	255	5 to 1	7875	0.29	180	2625	0.03	32.19	43.44	77.74	18.19	650	8	5
HDB350-B-CST-X2	PDF	350	284	5 to 1	8750	0.36	180	2917	0.04	32.19	43.44	77.74	18.19	650	8	5
HDB360-B-CST-X2	PDF	360	292	10 to 1	9000	0.32	180	3000	0.04	35.44	43.44	77.74	18.19	770	8	5
HDB375-B-CST-X2	PDF	375	304	10 to 1	9375	0.35	180	3125	0.04	35.44	43.44	77.74	18.19	770	8	5
HDB400-B-CST-X2	PDF	400	324	10 to 1	10000	0.4	180	3333	0.05	35.44	43.44	77.74	18.19	770	8	5
HDB500-B-CST-X2	PDF	500	405	10 to 1	12500	0.42	180	4167	0.05	41.94	48.44	77.74	18.19	920	10
HDB600-B-CST-X2	PDF	600	486	10 to 1	15000	0.46	180	5000	0.05	48.44	48.44	77.74	18.19	980	10

Note: For Propane gas, turndown is 60% of stated natural gas turndown.

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB200-B-CST	PDF	200	160	10 to 1	7407	0.34	90	1646	0.02	30.01	20.98	76.04	19.18	165	4	2.5
HDB250-B-CST	PDF	250	200	5 to 1	9259	0.39	90	2058	0.02	30.01	20.98	76.04	19.18	205	4	2.5
HDB270-B-CST		270	216	10 to 1	10000	0.36	90	2222	0.02	30.01	20.98	76.04	19.18	265	4	2.5
HDB300-B-CST	PDF	300	240	10 to 1	11111	0.44	90	2469	0.03	30.01	20.98	76.04	19.18	265	4	2.5
HDB350-B-CST	PDF	350	280	5 to 1	12963	0.48	90	2881	0.03	36.51	20.98	76.04	19.18	325	4	2.5
HDB360-B-CST		360	288	10 to 1	13333	0.42	90	2963	0.03	36.51	20.98	76.04	19.18	385	4	2.5
HDB400-B-CST	PDF	400	320	10 to 1	14815	0.52	90	3292	0.03	36.51	20.98	76.04	19.18	385	4	2.5
HDB500-B-CST	PDF	500	400	10 to 1	18519	0.57	75	4938	0.05	43.01	25.61	76.04	19.18	460	5
HDB600-B-CST	PDF	600	480	10 to 1	22222	0.61	75	5926	0.05	49.51	25.61	76.04	19.18	490	5
HDB180-B-CST-X2	PDF	360	288	20 to 1	6667	0.56	180	1481	0.04	30.01	40.11	76.04	19.18	351	8	5
HDB200-B-CST-X2	PDF	400	320	20 to 1	7407	0.68	180	1646	0.04	30.01	40.11	76.04	19.18	351	8	5
HDB250-B-CST-X2	PDF	500	400	10 to 1	9259	0.79	180	2058	0.05	30.01	40.11	76.04	19.18	436	8	5
HDB270-B-CST-X2		540	432	20 to 1	10000	0.73	180	2222	0.05	30.01	40.11	76.04	19.18	563	8	5
HDB300-B-CST-X2	PDF	600	480	20 to 1	11111	0.88	180	2469	0.06	30.01	40.11	76.04	19.18	563	8	5
HDB350-B-CST-X2	PDF	700	560	10 to 1	12963	0.96	180	2881	0.06	36.51	40.11	76.04	19.18	691	8	5
HDB360-B-CST-X2		720	576	20 to 1	13333	0.85	180	2963	0.05	36.51	40.11	76.04	19.18	822	8	5
HDB400-B-CST-X2	PDF	800	640	20 to 1	14815	1.04	180	3292	0.06	36.51	40.11	76.04	19.18	822	8	5
HDB500-B-CST-X2	PDF	1000	800	20 to 1	18519	1.13	150	4938	0.1	43.01	49.37	76.04	19.18	1007	10
HDB600-B-CST-X2	PDF	1200	960	20 to 1	22222	1.22	150	5926	0.11	49.51	49.37	76.04	19.18	1042	10

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB180-B-CSF-X2	PDF	360	288	20 to 1	6667	0.56	180	1481	0.04	30.01	40.11	76.04	19.18	351	8	5
HDB200-B-CSF-X2	PDF	400	320	20 to 1	7407	0.68	180	1646	0.04	30.01	40.11	76.04	19.18	351	8	5
HDB250-B-CSF-X2	PDF	500	400	10 to 1	9259	0.79	180	2058	0.05	30.01	40.11	76.04	19.18	436	8	5
HDB270-B-CSF-X2		540	432	20 to 1	10000	0.73	180	2222	0.05	30.01	40.11	76.04	19.18	563	8	5
HDB300-B-CSF-X2	PDF	600	480	20 to 1	11111	0.88	180	2469	0.06	30.01	40.11	76.04	19.18	563	8	5
HDB350-B-CSF-X2	PDF	700	560	10 to 1	12963	0.96	180	2881	0.06	36.51	40.11	76.04	19.18	691	8	5
HDB360-B-CSF-X2		720	576	20 to 1	13333	0.85	180	2963	0.05	36.51	40.11	76.04	19.18	822	8	5
HDB400-B-CSF-X2	PDF	800	640	20 to 1	14815	1.04	180	3292	0.06	36.51	40.11	76.04	19.18	822	8	5
HDB500-B-CSF-X2	PDF	1000	800	20 to 1	18519	1.13	150	4938	0.1	43.01	49.37	76.04	19.18	1007	10
HDB600-B-CSF-X2	PDF	1200	960	20 to 1	22222	1.22	150	5926	0.11	49.51	49.37	76.04	19.18	1042	10

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDB-F-CS – Vertical Airflow

Select An Efficiency:

80%81% (Coming Soon)

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

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Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB200-F-CST	PDF	200	160	10 to 1	7407	0.34	90	1646	0.02	22.3	35.02	76.01	19.19	165	4	2.5
HDB250-F-CST	PDF	250	200	5 to 1	9259	0.39	90	2058	0.02	25.58	35.02	76.01	19.19	205	4	2.5
HDB270-F-CST		270	216	10 to 1	10000	0.36	90	2222	0.02	30.58	35.95	76.07	19.19	265	4	2.5
HDB300-F-CST	PDF	300	240	10 to 1	11111	0.44	90	2469	0.03	28.83	35.02	76.01	19.19	265	4	2.5
HDB350-F-CST	PDF	350	280	5 to 1	12963	0.48	90	2881	0.03	32.08	35.02	76.01	19.19	325	4	2.5
HDB360-F-CST		360	288	10 to 1	13333	0.42	90	2963	0.03	37.08	35.95	76.01	19.19	385	4	2.5
HDB400-F-CST	PDF	400	320	10 to 1	14815	0.52	90	3292	0.03	35.33	35.02	76.01	19.19	385	4	2.5
HDB500-F-CST	PDF	500	400	10 to 1	18519	0.57	75	4938	0.05	41.83	43.02	76.01	19.19	460	5
HDB600-F-CST	PDF	600	480	10 to 1	22222	0.61	75	5926	0.05	48.33	43.02	76.01	19.19	490	5
HDB180-F-CST-X2	PDF	360	288	20 to 1	13334	0.56	180	2962	0.04	46.3	35.95	76	19.19	351	8	5
HDB200-F-CST-X2	PDF	400	320	20 to 1	14814	0.68	180	3292	0.04	46.3	35.95	76	19.19	351	8	5
HDB250-F-CST-X2	PDF	500	400	10 to 1	18518	0.79	180	4116	0.05	52.8	35.95	76.01	19.19	436	8	5
HDB270-F-CST-X2		540	432	20 to 1	20000	0.73	180	4444	0.05	59.3	35.95	76.01	19.19	563	8	5
HDB300-F-CST-X2	PDF	600	480	20 to 1	22222	0.88	180	4938	0.06	59.3	35.95	76.01	19.19	563	8	5
HDB350-F-CST-X2	PDF	700	560	10 to 1	25926	0.96	180	5762	0.06	65.8	35.95	76.01	19.19	691	8	5
HDB360-F-CST-X2		720	576	20 to 1	26666	0.85	180	5926	0.05	72.3	35.95	76.01	19.19	822	8	5
HDB400-F-CST-X2	PDF	800	640	20 to 1	29630	1.04	180	6584	0.06	72.3	35.95	76.01	19.19	822	8	5
HDB500-F-CST-X2	PDF	1000	800	20 to 1	37037	1.13	150	9876	0.1	85.3	43.95		19.19	1007	10
HDB600-F-CST-X2	PDF	1200	960	20 to 1	44444	1.22	150	11852	0.11	98.3	43.95	76.01	19.19	1042	10

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB180-F-CSF-X2	PDF	360	288	20 to 1	13334	0.56	180	2962	0.04	46.3	35.95	76	19.19	351	8	5
HDB200-F-CSF-X2	PDF	400	320	20 to 1	14814	0.68	180	3292	0.04	46.3	35.95	76	19.19	351	8	5
HDB250-F-CSF-X2	PDF	500	400	10 to 1	18518	0.79	180	4116	0.05	52.8	35.95	76.01	19.19	436	8	5
HDB270-F-CSF-X2		540	432	20 to 1	20000	0.73	180	4444	0.05	59.3	35.95	76.01	19.19	563	8	5
HDB300-F-CSF-X2	PDF	600	480	20 to 1	22222	0.88	180	4938	0.06	59.3	35.95	76.01	19.19	563	8	5
HDB350-F-CSF-X2	PDF	700	560	10 to 1	25926	0.96	180	5762	0.06	65.8	35.95	76.01	19.19	691	8	5
HDB360-F-CSF-X2		720	576	20 to 1	26666	0.85	180	5926	0.05	72.3	35.95	76.01	19.19	822	8	5
HDB400-F-CSF-X2	PDF	800	640	20 to 1	29630	1.04	180	6584	0.06	72.3	35.95	76.01	19.19	822	8	5
HDB500-F-CSF-X2	PDF	1000	800	20 to 1	37037	1.13	150	9876	0.1	85.3	43.95		19.19	1007	10
HDB600-F-CSF-X2	PDF	1200	960	20 to 1	44444	1.22	150	11852	0.11	98.3	43.95	76.01	19.19	1042	10

Notes:
- Max Discharge Temp is 160°F
- (#) notation denotes # of tubes in unit
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDG-B-CS – Horizontal Airflow

Select An Efficiency:

81%80%

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

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Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-B-CSF	PDF	50	40	5 to 1	1250	0.12	90	417	0.01	23.82	22.14	27.9	18.19	76	2	1.5
HDG075-B-CSF	PDF	75	61	5 to 1	1875	0.26	90	625	0.03	23.82	22.14	27.9	18.19	76	2	1.5
HDG100-B-CSF	PDF	100	81	10 to 1	2500	0.34	90	833	0.04	23.82	22.14	27.9	18.19	110	2	1.5
HDG125-B-CSF	PDF	125	101	5 to 1	3125	0.39	90	1042	0.05	23.82	22.14	27.9	18.19	140	2	1.5
HDG150-B-CSF	PDF	150	122	10 to 1	3750	0.47	90	1250	0.05	23.82	22.14	27.9	18.19	157	2	1.5
HDG175-B-CSF	PDF	175	142	5 to 1	4375	0.51	90	1458	0.06	26.57	22.14	27.9	18.19	168	2	1.5
HDG200-B-CSF	PDF	200	162	10 to 1	5000	0.53	90	1667	0.06	29.32	22.14	27.9	18.19	188	4	2.5
HDG250-B-CSF	PDF	250	202	10 to 1	6250	0.58	90	2083	0.07	34.82	22.14	27.9	18.19	240	4	2.5
HDG300-B-CSF	PDF	300	243	10 to 1	7500	0.66	90	2500	0.08	40.32	22.14	27.9	18.19	279	4	2.5
HDG350-B-CSF	PDF	350	284	10 to 1	8750	0.74	90	2917	0.08	45.82	22.14	27.9	18.19	312	4	2.5
HDG400-B-CSF	PDF	400	324	10 to 1	10000	0.8	90	3333	0.09	48.57	22.14	27.9	18.19	320	4	2.5
HDG050-B-CSF-X2	PDF	100	81	10 to 1	1250	0.24	180	417	0.02	23.82	44.17	27.9	18.19	110	5	3
HDG075-B-CSF-X2	PDF	150	122	10 to 1	1875	0.52	180	625	0.06	23.82	44.17	27.9	18.19	152	5	3
HDG100-B-CSF-X2	PDF	200	162	20 to 1	2500	0.68	180	833	0.08	23.82	44.17	27.9	18.19	220	8	5
HDG125-B-CSF-X2	PDF	250	202	10 to 1	3125	0.78	180	1042	0.1	23.82	44.17	27.9	18.19	280	8	5
HDG150-B-CSF-X2	PDF	300	243	20 to 1	3750	0.94	180	1250	0.1	23.82	44.17	27.9	18.19	314	8	5
HDG175-B-CSF-X2	PDF	350	284	10 to 1	4375	1.02	180	1458	0.12	26.57	44.17	27.9	18.19	336	8	5
HDG200-B-CSF-X2	PDF	400	324	20 to 1	5000	1.06	180	1667	0.12	29.32	44.17	27.9	18.19	376	8	5
HDG250-B-CSF-X2	PDF	500	405	20 to 1	6250	1.06	180	2083	0.14	34.82	44.17	27.9	18.19	480	8	5
HDG300-B-CSF-X2	PDF	600	486	20 to 1	7500	1.32	180	2500	0.16	40.32	44.17	27.9	18.19	558	8	5
HDG350-B-CSF-X2	PDF	700	567	20 to 1	8750	1.48	180	2917	0.16	45.82	44.17	27.9	18.19	624	8	5
HDG400-B-CSF-X2	PDF	800	648	20 to 1	10000	1.6	180	3333	0.18	48.57	44.17	27.9	18.19	640	8	5

Note: For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-B-CST	PDF	50	40	5 to 1	1250	0.12	90	417	0.01	23.82	22.14	27.9	18.19	76	2	1.5
HDG075-B-CST	PDF	75	61	5 to 1	1875	0.26	90	625	0.03	23.82	22.14	27.9	18.19	76	2	1.5
HDG100-B-CST	PDF	100	81	5 to 1	2500	0.34	90	833	0.04	23.82	22.14	27.9	18.19	110	2	1.5
HDG125-B-CST	PDF	125	101	5 to 1	3125	0.39	90	1042	0.05	23.82	22.14	27.9	18.19	140	2	1.5
HDG150-B-CST	PDF	150	122	10 to 1	3750	0.47	90	1250	0.05	23.82	22.14	27.9	18.19	157	2	1.5
HDG175-B-CST	PDF	175	142	5 to 1	4375	0.51	90	1458	0.06	26.57	22.14	27.9	18.19	168	2	1.5
HDG200-B-CST	PDF	200	162	10 to 1	5000	0.53	90	1667	0.06	29.32	22.14	27.9	18.19	188	4	2.5
HDG250-B-CST	PDF	250	202	10 to 1	6250	0.58	90	2083	0.07	34.82	22.14	27.9	18.19	240	4	2.5
HDG300-B-CST	PDF	300	243	10 to 1	7500	0.66	90	2500	0.08	40.32	22.14	27.9	18.19	279	4	2.5
HDG350-B-CST	PDF	350	284	10 to 1	8750	0.74	90	2917	0.08	45.82	22.14	27.9	18.19	312	4	2.5
HDG400-B-CST	PDF	400	324	10 to 1	10000	0.8	90	3333	0.09	48.57	22.14	27.9	18.19	320	4	2.5
HDG050-B-CST-X2	PDF	100	81	10 to 1	1250	0.24	180	1250	0.02	23.82	44.17	27.9	18.19	110	5	3
HDG075-B-CST-X2	PDF	150	122	10 to 1	1875	0.52	180	625	0.06	23.82	44.17	27.9	18.19	152	5	3
HDG100-B-CST-X2	PDF	200	162	20 to 1	2500	0.68	180	833	0.08	23.82	44.17	27.9	18.19	220	8	5
HDG125-B-CST-X2	PDF	250	202	10 to 1	3125	0.78	180	1042	0.1	23.82	44.17	27.9	18.19	280	8	5
HDG150-B-CST-X2	PDF	300	243	20 to 1	3750	0.94	180	1250	0.1	23.82	44.17	27.9	18.19	314	8	5
HDG175-B-CST-X2	PDF	350	284	10 to 1	4375	1.02	180	1458	0.12	26.57	44.17	27.9	18.19	336	8	5
HDG200-B-CST-X2	PDF	400	324	20 to 1	5000	1.06	180	1667	0.12	29.32	44.17	27.9	18.19	376	8	5
HDG250-B-CST-X2	PDF	500	405	20 to 1	6250	1.06	180	2083	0.14	34.82	44.17	27.9	18.19	480	8	5
HDG300-B-CST-X2	PDF	600	486	20 to 1	7500	1.32	180	2500	0.16	40.32	44.17	27.9	18.19	558	8	5
HDG350-B-CST-X2	PDF	700	567	20 to 1	8750	1.48	180	2917	0.16	45.82	44.17	27.9	18.19	624	8	5
HDG400-B-CST-X2	PDF	800	648	20 to 1	10000	1.6	180	3333	0.18	48.57	44.17	27.9	18.19	640	8	5

Note: For Propane gas, turndown is 60% of stated natural gas turndown.

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-B-CST	PDF	50	40	5 to 1	1852	0.37	80	463	0.03	16.53	21.59	28.03	19.2	76	2	1.5
HDG075-B-CST	PDF	75	60	5 to 1	2778	0.79	80	694	0.06	25.71	21.59	28.03	19.2	76	2	1.5
HDG100-B-CST	PDF	100	80	5 to 1	3704	0.9	80	926	0.07	19.28	21.59	28.03	19.2	110	2	1.5
HDG125-B-CST	PDF	125	100	5 to 1	4630	0.98	80	1157	0.08	22.03	21.59	28.03	19.2	140	2	1.5
HDG150-B-CST	PDF	150	120	10 to 1	5556	1.04	80	1389	0.08	24.78	21.59	28.03	19.2	157	2	1.5
HDG175-B-CST	PDF	175	140	5 to 1	6481	1.08	80	1620	0.08	27.53	21.59	28.03	19.2	168	2	1.5
HDG200-B-CST	PDF	200	160	10 to 1	7407	1.11	80	1852	0.09	30.28	21.59	28.03	19.2	188	4	2.5
HDG250-B-CST	PDF	250	200	10 to 1	9259	0.92	80	2315	0.07	35.78	21.59	28.03	19.2	240	4	2.5
HDG300-B-CST	PDF	300	240	10 to 1	11111	0.98	80	2778	0.07	41.28	21.59	28.03	19.2	279	4	2.5
HDG350-B-CST	PDF	350	280	10 to 1	12963	1.03	80	3241	0.08	46.78	21.59	28.03	19.2	312	4	2.5
HDG400-B-CST	PDF	400	320	10 to 1	14815	1.18	80	3704	0.09	49.53	21.59	28.03	19.2	320	4	2.5
HDG500-B-CST	PDF	500	400	10 to 1	18519	1.33	80	4630	0.1	58.71	29.33	28.03	19.2	N/a	5	3.2
HDG600-B-CST	PDF	600	480	10 to 1	22222	1.35	80	5556	0.1	69.71	29.33	28.03	19.2	N/a	5	3.2
HDG050-B-CST-X2	PDF	100	80	10 to 1	1852	0.75	160	463	0.06	17.46	44.81	28.03	19.2	110	5	3
HDG100-B-CST-X2	PDF	200	160	20 to 1	3704	1.8	160	926	0.14	18.59	44.81	28.03	19.2	220	8	5
HDG125-B-CST-X2	PDF	250	200	10 to 1	4630	1.96	160	1157	0.15	18.59	44.81	28.03	19.2	280	8	5
HDG150-B-CST-X2	PDF	300	240	20 to 1	5556	2.07	160	1389	0.16	25.71	44.81	28.03	19.2	314	8	5
HDG175-B-CST-X2	PDF	350	280	10 to 1	6481	2.16	160	1620	0.17	28.46	44.81	28.03	19.19	336	8	5
HDG200-B-CST-X2	PDF	400	320	20 to 1	7407	2.23	160	1852	0.17	31.21	44.81	28.03	19.19	376	8	5
HDG250-B-CST-X2	PDF	500	400	20 to 1	9259	1.83	160	2315	0.14	36.71	44.81	28.03	19.2	480	8	5
HDG300-B-CST-X2	PDF	600	480	20 to 1	11111	1.96	160	2778	0.15	42.21	44.81	28.03	19.2	558	8	5
HDG350-B-CST-X2	PDF	700	560	20 to 1	12963	2.05	160	3241	0.16	47.71	44.81	28.03	19.12	624	8	5
HDG400-B-CST-X2	PDF	800	640	20 to 1	14815	2.36	160	3704	0.18	50.46	44.81	28.03	19.2	640	8	5
HDG500-B-CST-X2	PDF	1000	800	20 to 1	18519	2.66	160	4630	0.21	58.71	56.81	28.03	19.2	N/a	10
HDG600-B-CST-X2	PDF	1200	960	20 to 1	22222	2.7	160	5556	0.21	69.71	56.81	28.03	19.2	N/a	10

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-B-CSF-X2	PDF	100	80	10 to 1	1852	0.75	160	463	0.06	25.71	44.81	28.03	19.2	110	5	3
HDG075-B-CSF-X2	PDF	150	120	10 to 1	2778	1.58	160	694	0.12	25.71	44.81	28.03	19.2	152	5	3
HDG100-B-CSF-X2	PDF	200	160	20 to 1	3704	1.8	160	926	0.14	25.71	44.81	28.03	19.2	220	8	5
HDG125-B-CSF-X2	PDF	250	200	10 to 1	4630	1.96	160	1157	0.15	25.71	44.81	28.03	19.2	280	8	5
HDG150-B-CSF-X2	PDF	300	240	20 to 1	5556	2.07	160	1389	0.16	25.71	44.81	28.03	19.2	314	8	5
HDG175-B-CSF-X2	PDF	350	280	10 to 1	6481	2.16	160	1620	0.17	28.46	44.81	28.03	19.19	336	8	5
HDG200-B-CSF-X2	PDF	400	320	20 to 1	7407	2.23	160	1852	0.17	31.21	44.81	28.03	19.19	376	8	5
HDG250-B-CSF-X2	PDF	500	400	20 to 1	9259	1.83	160	2315	0.14	36.71	44.81	28.03	19.2	480	8	5
HDG300-B-CSF-X2	PDF	600	480	20 to 1	11111	1.96	160	2778	0.15	42.21	44.81	28.03	19.2	558	8	5
HDG350-B-CSF-X2	PDF	700	560	20 to 1	12963	2.05	160	3241	0.16	47.71	44.81	28.03	19.12	624	8	5
HDG400-B-CSF-X2	PDF	800	640	20 to 1	14815	2.36	160	3704	0.18	50.46	44.81	28.03	19.2	640	8	5
HDG500-B-CSF-X2	PDF	1000	800	20 to 1	18519	2.66	160	4630	0.21	58.71	56.81	28.03	19.2	N/a	10
HDG600-B-CSF-X2	PDF	1200	960	20 to 1	22222	2.7	160	5556	0.21	69.71	56.81	28.03	19.2	N/a	10

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDG-F-CS – Vertical Airflow

Select An Efficiency:

80%81% (Coming Soon)

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-F-CST	PDF	50	40	5 to 1	1852	0.37	80	463	0.03	15.18	22.92	28.03	19.2	76	2	1.5
HDG075-F-CST	PDF	75	60	5 to 1	2778	0.79	80	694	0.06	15.18	22.92	28.03	19.2	76	2	1.5
HDG100-F-CST	PDF	100	80	10 to 1	3704	0.9	80	926	0.07	17.93	22.92	28.03	19.2	110	2	1.5
HDG125-F-CST	PDF	125	100	5 to 1	4630	0.98	80	1157	0.08	20.68	22.92	28.03	19.2	140	2	1.5
HDG150-F-CST	PDF	150	120	10 to 1	5556	1.04	80	1389	0.08	23.43	22.92	28.03	19.2	157	2	1.5
HDG175-F-CST	PDF	175	140	5 to 1	6481	1.08	80	1620	0.08	26.18	22.92	28.03	19.2	168	2	1.5
HDG200-F-CST	PDF	200	160	10 to 1	7407	1.11	80	1852	0.09	28.93	22.92	28.03	19.2	188	4	2.5
HDG250-F-CST	PDF	250	200	10 to 1	9259	0.92	80	2315	0.07	34.43	22.92	28.03	19.2	240	4	2.5
HDG300-F-CST	PDF	300	240	10 to 1	11111	0.98	80	2778	0.07	39.93	22.92	28.03	19.2	279	4	2.5
HDG350-F-CST	PDF	350	280	10 to 1	12963	1.03	80	3241	0.08	45.43	22.92	28.03	19.2	312	4	2.5
HDG400-F-CST	PDF	400	320	10 to 1	14815	1.18	80	3704	0.09	48.18	22.92	28.03	19.2	320	4	2.5
HDG050-F-CST-X2	PDF	100	80	10 to 1	3704	0.75	160	926	0.06	31.99	23.85	28.03	19.2	152	5	3
HDG075-F-CST-X2	PDF	150	120	10 to 1	5556	1.58	160	1388	0.12	31.99	23.85	28.03	19.2	152	5	3
HDG100-F-CST-X2	PDF	200	160	20 to 1	7408	1.8	160	1852	0.14	37.49	23.85	28.03	19.2	220	5	3
HDG125-F-CST-X2	PDF	250	200	10 to 1	9260	1.96	160	2314	0.15	42.99	23.85	28.03	19.2	280	5	3
HDG150-F-CST-X2	PDF	300	240	20 to 1	11112	2.07	160	2778	0.16	48.49	23.85	28.03	19.2	314	5	3
HDG175-F-CST-X2	PDF	350	280	10 to 1	12962	2.16	160	3240	0.17	53.99	23.85	28.03	19.2	336	5	3
HDG200-F-CST-X2	PDF	400	320	20 to 1	14814	2.23	160	3704	0.17	59.49	23.85	28.03	19.2	376	8	5
HDG250-F-CST-X2	PDF	500	400	20 to 1	18518	1.83	160	4630	0.14	70.49	23.85	28.03	19.2	480	8	5
HDG300-F-CST-X2	PDF	600	480	20 to 1	22222	1.96	160	5556	0.15	81.49	23.85	28.03	19.2	558	8	5
HDG350-F-CST-X2	PDF	700	560	20 to 1	25926	2.05	160	6482	0.16	92.49	23.85	28.03	19.2	624	8	5
HDG400-F-CST-X2	PDF	800	640	20 to 1	29630	2.36	160	7408	0.18	97.99	23.85	28.03	19.2	640	8	5
HDG500-F-CST-X2	PDF	1000	800	20 to 1	37038	2.66	160	9260	0.21					N/a	10	6.4
HDG600-F-CST-X2	PDF	1200	960	20 to 1	44444	2.7	160	11112	0.21					N/a	10	6.4

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-F-CSF-X2	PDF	100	80	10 to 1	3704	0.75	160	926	0.06	31.99	35.95	28.03	19.2	152	5	3
HDG075-F-CSF-X2	PDF	150	120	10 to 1	5556	1.58	160	1388	0.12	31.99	35.95	28.03	19.2	152	5	3
HDG100-F-CSF-X2	PDF	200	160	20 to 1	7408	1.8	160	1852	0.14	37.49	35.85	28.03	19.2	220	5	3
HDG125-F-CSF-X2	PDF	250	200	10 to 1	9260	1.96	160	2314	0.15	42.99	35.85	28.03	19.2	280	5	3
HDG150-F-CSF-X2	PDF	300	240	20 to 1	11112	2.07	160	2778	0.16	48.49	35.85	28.03	19.2	314	5	3
HDG175-F-CSF-X2	PDF	350	280	10 to 1	12962	2.16	160	3240	0.17	53.99	35.85	28.03	19.2	336	5	3
HDG200-F-CSF-X2	PDF	400	320	20 to 1	14814	2.23	160	3704	0.17	59.49	35.85	28.03	19.2	376	8	5
HDG250-F-CSF-X2	PDF	500	400	20 to 1	18518	1.83	160	4630	0.14	70.49	35.85	28.03	19.2	480	8	5
HDG300-F-CSF-X2	PDF	600	480	20 to 1	22222	1.96	160	5556	0.15	81.49	35.85	28.03	19.2	558	8	5
HDG350-F-CSF-X2	PDF	700	560	20 to 1	25926	2.05	160	6482	0.16	92.49	35.85	28.03	19.2	624	8	5
HDG400-F-CSF-X2	PDF	800	640	20 to 1	29630	2.36	160	7408	0.18	97.99	35.85	28.03	19.2	640	8	5
HDG500-F-CSF-X2	PDF	1000	800	20 to 1	37038	2.66	160	9260	0.21					N/a	10	6.4
HDG600-F-CSF-X2	PDF	1200	960	20 to 1	44444	2.7	160	11112	0.21					N/a	10	6.4

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDG-M-CS – Horizontal Airflow

Select An Efficiency:

80%81% (Coming Soon)

Application Guidelines Product Specification Product Manual OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD files. Authorized access is required for STEP files.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-M-CST	PDF	50	40	5 to 1	1852	0.01	60	617	0.01	22.92	15.18	28.03	19.2	76	2	1.5
HDG075-M-CST	PDF	75	60	5 to 1	2778	0.02	60	926	0.01	22.92	15.18	28.03	19.2	76	2	1.5
HDG100-M-CST	PDF	100	80	10 to 1	3704	0.05	60	1235	0.01	22.92	17.93	28.03	19.2	110	2	1.5
HDG125-M-CST	PDF	125	100	5 to 1	4630	0.09	60	1543	0.01	22.92	20.68	28.03	19.2	140	2	1.5
HDG150-M-CST	PDF	150	120	10 to 1	5556	0.14	60	1852	0.02	22.92	23.43	28.03	19.2	157	2	1.5
HDG175-M-CST	PDF	175	140	5 to 1	6481	0.23	60	2160	0.03	22.92	26.18	28.03	19.2	168	2	1.5
HDG200-M-CST	PDF	200	160	10 to 1	7407	0.33	60	2469	0.04	22.92	28.93	28.03	19.2	188	4	2.5
HDG250-M-CST	PDF	250	200	10 to 1	9259	0.54	60	3086	0.07	22.92	34.43	28.03	19.2	240	4	2.5
HDG300-M-CST	PDF	300	240	10 to 1	11111	0.91	60	3704	0.12	22.92	39.93	28.03	19.2	279	4	2.5
HDG350-M-CST	PDF	350	280	10 to 1	12963	1.42	60	4321	0.19	22.92	45.43	28.03	19.2	312	4	2.5
HDG400-M-CST	PDF	400	320	10 to 1	14815	1.95	60	4938	0.25	22.92	48.18	28.03	19.2	320	4	2.5
HDG050-M-CST-X2	PDF	100	80	10 to 1	1852	0.02	120	617	0.01	23.85	31.99	28.03	19.2	152	5	3
HDG075-M-CST-X2	PDF	150	120	10 to 1	2778	0.04	120	926	0.01	23.85	31.99	28.03	19.2	152	5	3
HDG100-M-CST-X2	PDF	200	160	20 to 1	3704	0.09	120	1235	0.01	23.85	37.49	28.03	19.2	220	5	3
HDG125-M-CST-X2	PDF	250	200	10 to 1	4630	0.17	120	1543	0.02	23.85	42.99	28.03	19.2	280	5	3
HDG150-M-CST-X2	PDF	300	240	20 to 1	5556	0.29	120	1852	0.04	23.85	48.49	28.03	19.2	314	5	3
HDG175-M-CST-X2	PDF	350	280	10 to 1	6481	0.45	120	2160	0.06	23.85	53.99	28.03	19.2	336	5	3
HDG200-M-CST-X2	PDF	400	320	20 to 1	7407	0.66	120	2469	0.09	23.85	59.49	28.03	19.2	376	8	5
HDG250-M-CST-X2	PDF	500	400	20 to 1	9259	1.09	120	3086	0.14	23.85	70.49	28.03	19.2	480	8	5
HDG300-M-CST-X2	PDF	600	480	20 to 1	11111	1.83	120	3704	0.24	23.85	81.49	28.03	19.2	558	8	5
HDG350-M-CST-X2	PDF	700	560	20 to 1	12963	2.84	120	4321	0.37	23.85	92.49	28.03	19.2	624	8	5
HDG400-M-CST-X2	PDF	800	640	20 to 1	14815	3.89	120	4938	0.51	23.85	97.99	28.03	19.2	640	8	5
HDG500-M-CST-X2	PDF	1000	800	20 to 1	18519	8.08	120	6173	1.06						10	6.4
HDG600-M-CST-X2	PDF	1200	960	20 to 1	22222	13.78	120	7407	1.81						10	6.4

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-M-CSF-X2	PDF	100	80	10 to 1	1852	0.02	120	617	0.01	35.85	31.99	28.03	19.2	152	5	3
HDG075-M-CSF-X2	PDF	150	120	10 to 1	2778	0.04	120	926	0.01	35.85	31.99	28.03	19.2	152	5	3
HDG100-M-CSF-X2	PDF	200	160	20 to 1	3704	0.09	120	1235	0.01	35.85	37.49	28.03	19.2	220	5	3
HDG125-M-CSF-X2	PDF	250	200	10 to 1	4630	0.17	120	1543	0.02	35.85	42.99	28.03	19.2	280	5	3
HDG150-M-CSF-X2	PDF	300	240	20 to 1	5556	0.29	120	1852	0.04	35.85	48.49	28.03	19.2	314	5	3
HDG175-M-CSF-X2	PDF	350	280	10 to 1	6481	0.45	120	2160	0.06	35.85	53.99	28.03	19.2	336	5	3
HDG200-M-CSF-X2	PDF	400	320	20 to 1	7407	0.66	120	2469	0.09	35.85	59.49	28.03	19.2	376	8	5
HDG250-M-CSF-X2	PDF	500	400	20 to 1	9259	1.09	120	3086	0.14	35.85	70.49	28.03	19.2	480	8	5
HDG300-M-CSF-X2	PDF	600	480	20 to 1	11111	1.83	120	3704	0.24	35.85	81.49	28.03	19.2	558	8	5
HDG350-M-CSF-X2	PDF	700	560	20 to 1	12963	2.84	120	4321	0.37	35.85	92.49	28.03	19.2	624	8	5
HDG400-M-CSF-X2	PDF	800	640	20 to 1	14815	3.89	120	4938	0.51	35.85	97.99	28.03	19.2	640	8	5
HDG500-M-CSF-X2	PDF	1000	800	20 to 1	18519	8.08	120	6173	1.06						10	6.4
HDG600-M-CSF-X2	PDF	1200	960	20 to 1	22222	13.78	120	7407	1.81						10	6.4

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

HDG-I-CS – Vertical Airflow

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Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-I-CST	PDF	50	40	5 to 1	1852	0.01	60	617	0.01	21.59	16.53	28.06	19.2	76	2	1.5
HDG075-I-CST	PDF	75	60	5 to 1	2778	0.02	60	926	0.01	21.59	16.53	28.06	19.2	76	2	1.5
HDG100-I-CST	PDF	100	80	5 to 1	3704	0.05	60	1235	0.01	21.59	19.28	28.06	19.2	110	2	1.5
HDG125-I-CST	PDF	125	100	5 to 1	4630	0.09	60	1543	0.01	21.59	22.03	28.06	19.2	140	2	1.5
HDG150-I-CST	PDF	150	120	10 to 1	5556	0.14	60	1852	0.02	21.59	24.78	28.06	19.2	157	2	1.5
HDG175-I-CST	PDF	175	140	5 to 1	6481	0.23	60	2160	0.03	21.59	27.53	28.06	19.2	168	2	1.5
HDG200-I-CST	PDF	200	160	10 to 1	7407	0.33	60	2469	0.04	21.59	30.28	28.06	19.2	188	4	2.5
HDG250-I-CST	PDF	250	200	10 to 1	9259	0.54	60	3086	0.07	21.59	35.78	28.06	19.2	240	4	2.5
HDG300-I-CST	PDF	300	240	10 to 1	11111	0.91	60	3704	0.12	21.59	41.28	28.06	19.2	279	4	2.5
HDG350-I-CST	PDF	350	280	10 to 1	12963	1.42	60	4321	0.19	21.59	46.78	28.06	19.2	312	4	2.5
HDG400-I-CST	PDF	400	320	10 to 1	14815	1.95	60	4938	0.25	21.59	49.53	28.06	19.2	320	4	2.5
HDG050-I-CST-X2	PDF	100	80	10 to 1	3704	0.02	120	1234	0.01	44.81	17.46	28.06	19.2	152	5	3
HDG075-I-CST-X2	PDF	150	120	10 to 1	5556	0.04	120	1852	0.01	44.81	17.46	28.06	19.2	152	5	3
HDG100-I-CST-X2	PDF	200	160	10 to 1	7408	0.09	120	2470	0.01	44.81	20.21	28.06	19.2	220	5	3
HDG125-I-CST-X2	PDF	250	200	10 to 1	9260	0.17	120	3086	0.02	44.81	22.95	28.06	19.2	280	5	3
HDG150-I-CST-X2	PDF	300	240	20 to 1	11112	0.29	120	3704	0.04	44.81	25.71	28.06	19.2	314	5	3
HDG175-I-CST-X2	PDF	350	280	10 to 1	12962	0.45	120	4320	0.06	44.81	28.46	28.06	19.2	336	5	3
HDG200-I-CST-X2	PDF	400	320	20 to 1	14814	0.66	120	4938	0.09	44.81	31.21	28.06	19.2	376	8	5
HDG250-I-CST-X2	PDF	500	400	20 to 1	18518	1.09	120	6172	0.14	44.81	36.71	28.06	19.2	480	8	5
HDG300-I-CST-X2	PDF	600	480	20 to 1	22222	1.83	120	7408	0.24	44.81	42.21	28.06	19.2	558	8	5
HDG350-I-CST-X2	PDF	700	560	20 to 1	25926	2.84	120	8642	0.37	44.81	47.71	28.06	19.2	624	8	5
HDG400-I-CST-X2	PDF	800	640	20 to 1	29630	3.89	120	9876	0.51	44.81	49.53	28.06	19.2	640	8	5
HDG500-I-CST-X2	PDF	1000	800	20 to 1	37038	8.08	120	12346	1.06						10	6.4
HDG600-I-CST-X2	PDF	1200	960	20 to 1	44444	13.78	120	14814	1.81						10	6.4

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-I-CSF-X2	PDF	100	80	10 to 1	3704	0.02	120	1234	0.01	44.81	25.71	28.06	19.2	152	5	3
HDG075-I-CSF-X2	PDF	150	120	10 to 1	5556	0.04	120	1852	0.01	44.81	25.71	28.06	19.2	152	5	3
HDG100-I-CSF-X2	PDF	200	160	10 to 1	7408	0.09	120	2470	0.01	44.81	25.71	28.06	19.2	220	5	3
HDG125-I-CSF-X2	PDF	250	200	10 to 1	9260	0.17	120	3086	0.02	44.81	25.71	28.06	19.2	280	5	3
HDG150-I-CSF-X2	PDF	300	240	20 to 1	11112	0.29	120	3704	0.04	44.81	25.71	28.06	19.2	314	5	3
HDG175-I-CSF-X2	PDF	350	280	10 to 1	12962	0.45	120	4320	0.06	44.81	28.46	28.06	19.2	336	5	3
HDG200-I-CSF-X2	PDF	400	320	20 to 1	14814	0.66	120	4938	0.09	44.81	31.21	28.06	19.2	376	8	5
HDG250-I-CSF-X2	PDF	500	400	20 to 1	18518	1.09	120	6172	0.14	44.81	36.71	28.06	19.2	480	8	5
HDG300-I-CSF-X2	PDF	600	480	20 to 1	22222	1.83	120	7408	0.24	44.81	42.21	28.06	19.2	558	8	5
HDG350-I-CSF-X2	PDF	700	560	20 to 1	25926	2.84	120	8642	0.37	44.81	47.71	28.06	19.2	624	8	5
HDG400-I-CSF-X2	PDF	800	640	20 to 1	29630	3.89	120	9876	0.51	44.81	49.53	28.06	19.2	640	8	5
HDG500-I-CSF-X2	PDF	1000	800	20 to 1	37038	8.08	120	12346	1.06						10	6.4
HDG600-I-CSF-X2	PDF	1200	960	20 to 1	44444	13.78	120	14814	1.81						10	6.4

Notes:
- Max Discharge Temp is 160°F
- For Propane gas, turndown is 60% of stated natural gas turndown.

HD Style CS Units

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HDA-B-CS – Horizontal Airflow

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HDA-F-CS – Vertical Airflow

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HDA-I-CS – Vertical Airflow

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HDB-B-CS – Horizontal Airflow

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HDB-F-CS – Vertical Airflow

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HDG-B-CS – Horizontal Airflow

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HDG-F-CS – Vertical Airflow

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HDG-M-CS – Horizontal Airflow

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HDG-I-CS – Vertical Airflow

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