HD Style S Units

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HDA-F-S HDA-M-S HDA-I-S HDB-B-S HDB-F-S HDG-B-S HDG-F-S HDG-M-S HDG-I-S

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HDA-B-S – Horizontal Airflow

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-B-ST	PDF			150	120	10 to 1	5556	0.39	100	1111	0.02	21.99	30.6	43.06	22.03	244	4	2.5
HDA200-B-ST	PDF			200	160	10 to 1	7407	0.67	100	1481	0.03	21.99	30.6	43	21.98	232	4	2.5
HDA250-B-ST	PDF			250	200	5 to 1	9259	0.83	100	1852	0.04	25.24	30.6	43	21.98	268	4	2.5
HDA250-B-ST (6)	PDF			250	200	10 to 1	9259	0.69	100	1852	0.03	25.24	30.6	43	21.98	278	4	2.5
HDA300-B-ST	PDF			300	240	10 to 1	11111	0.96	100	2222	0.05	28.49	30.6	43	21.98	278	4	2.5
HDA350-B-ST	PDF			350	280	5 to 1	12963	1.09	100	2593	0.06	31.74	30.6	43	21.98	389	4	2.5
HDA350-B-ST (8)	PDF			350	280	10 to 1	12963	0.93	100	2593	0.05	31.74	30.6	43	21.98	439	4	2.5
HDA400-B-ST	PDF			400	320	10 to 1	14815	1.2	100	2963	0.06	34.99	30.6	43	21.98	439	4	2.5
HDA500-B-ST	PDF			500	400	10 to 1	18519	1.38	100	3704	0.07	41.49	30.6	43	21.98	480	5
HDA600-B-ST	PDF			600	480	10 to 1	22222	1.52	100	4444	0.08	47.99	30.6	43	21.98	522	5
HDA150-B-ST-X2	PDF			150	120	20 to 1	5556	0.78	200	1111	0.04	21.99	60.18	43.06	21.98	488	8	5
HDA200-B-ST-X2	PDF			400	320	20 to 1	7407	1.34	200	1481	0.06	21.99	60.18	43	21.98	487	8	5
HDA250-B-ST-X2	PDF			500	400	10 to 1	9259	1.66	200	1852	0.08	25.24	60.18	43	21.98	564	8	5
HDA250-B-ST-X2 (6)	PDF			500	400	10 to 1	9259	1.38	200	1852	0.06	25.24	60.18	43	21.98	585	8	5
HDA300-B-ST-X2	PDF			600	480	20 to 1	11111	1.92	200	2222	0.1	28.49	60.18	43	21.98	585	8	5
HDA350-B-ST-X2	PDF			700	560	10 to 1	12963	2.18	200	2593	0.12	31.74	60.18	43	21.98	668	8	5
HDA350-B-ST-X2 (8)	PDF			700	560	10 to 1	12963	1.86	200	2593	0.1	31.74	60.18	43	21.98	923	8	5
HDA400-B-ST-X2	PDF			800	640	20 to 1	14815	2.4	200	2963	0.12	34.99	60.18	43	21.98	923	8	5
HDA500-B-ST-X2	PDF			1000	800	20 to 1	18519	2.76	200	3704	0.14	41.49	60.18	43	21.98	1011	10
HDA600-B-ST-X2	PDF			1200	960	20 to 1	22222	3.04	200	4444	0.16	47.99	60.18	43	21.98	1086	10
HDA150-B-ST-X3	PDF			450	360	30 to 1	5556	1.17	300	1111	0.06	22.92	91.79	43.1	22	732	12	7.5
HDA200-B-ST-X3	PDF			600	480	30 to 1	7407	2.01	300	1481	0.09	22.92	91.79	43.1	22	731	12	7.5
HDA250-B-ST-X3	PDF			750	600	15 to 1	9259	2.49	300	1852	0.12	26.17	91.79	43.1	22	846	12	7.5
HDA250-B-ST-X3 (6)	PDF			750	600	15 to 1	9259	2.07	300	1852	0.09	29.42	91.79	43.1	22	878	12	7.5
HDA300-B-ST-X3	PDF			900	720	30 to 1	11111	2.88	300	2222	0.15	29.42	91.79	43.1	22	878	12	7.5
HDA350-B-ST-X3	PDF			1050	840	15 to 1	12963	3.27	300	2593	0.18	31.74	91.79	43.1	22	1002	12	7.5
HDA350-B-ST-X3 (8)	PDF			1050	840	15 to 1	12963	2.79	300	2593	0.15	34.99	91.79	43.1	22	1385	12	7.5
HDA400-B-ST-X3	PDF			1200	960	30 to 1	14815	3.6	300	2963	0.18	34.99	91.79	43.1	22	1385	12	7.5
HDA500-B-ST-X3	PDF			1500	1200	30 to 1	18519	4.14	300	3704	0.21	41.49	91.79	43.1	22	1517	15
HDA600-B-ST-X3	PDF			1800	1440	30 to 1	22222	4.56	300	4444	0.24	47.99	91.79	43.1	22	1629	15

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-B-SF-X2	PDF			150	120	20 to 1	5556	0.78	200	1111	0.04	21.99	60.18	43.06	21.98	488	8	5
HDA200-B-SF-X2	PDF			400	320	20 to 1	7407	1.34	200	1481	0.06	21.99	60.18	43	21.98	487	8	5
HDA250-B-SF-X2	PDF			500	400	10 to 1	9259	1.66	200	1852	0.08	25.24	60.18	43	21.98	564	8	5
HDA250-B-SF-X2 (6)	PDF			500	400	10 to 1	9259	1.38	200	1852	0.06	25.24	60.18	43	21.98	585	8	5
HDA300-B-SF-X2	PDF			600	480	20 to 1	11111	1.92	200	2222	0.1	28.49	60.18	43	21.98	585	8	5
HDA350-B-SF-X2	PDF			700	560	10 to 1	12963	2.18	200	2593	0.12	31.74	60.18	43	21.98	668	8	5
HDA350-B-SF-X2 (8)	PDF			700	560	10 to 1	12963	1.86	200	2593	0.1	31.74	60.18	43	21.98	923	8	5
HDA400-B-SF-X2	PDF			800	640	20 to 1	14815	2.4	200	2963	0.12	34.99	60.18	43	21.98	923	8	5
HDA500-B-SF-X2	PDF			1000	800	20 to 1	18519	2.76	200	3704	0.14	41.49	60.18	43	21.98	1011	10
HDA600-B-SF-X2	PDF			1200	960	20 to 1	22222	3.04	200	4444	0.16	47.99	60.18	43	21.98	1086	10
HDA150-B-SF-X3	PDF			450	360	30 to 1	5556	1.17	300	1111	0.06	22.92	91.79	43.1	22	732	12	7.5
HDA200-B-SF-X3	PDF			600	480	30 to 1	7407	2.01	300	1481	0.09	22.92	91.79	43.1	22	731	12	7.5
HDA250-B-SF-X3	PDF			750	600	15 to 1	9259	2.49	300	1852	0.12	26.17	91.79	43.1	22	846	12	7.5
HDA250-B-SF-X3 (6)	PDF			750	600	15 to 1	9259	2.07	300	1852	0.09	29.42	91.79	43.1	22	878	12	7.5
HDA300-B-SF-X3	PDF			900	720	30 to 1	11111	2.88	300	2222	0.15	29.42	91.79	43.1	22	878	12	7.5
HDA350-B-SF-X3	PDF			1050	840	15 to 1	12963	3.27	300	2593	0.18	31.74	91.79	43.1	22	1002	12	7.5
HDA350-B-SF-X3 (8)	PDF			1050	840	15 to 1	12963	2.79	300	2593	0.15	34.99	91.79	43.1	22	1385	12	7.5
HDA400-B-SF-X3	PDF			1200	960	30 to 1	14815	3.6	300	2963	0.18	34.99	91.79	43.1	22	1385	12	7.5
HDA500-B-SF-X3	PDF			1500	1200	30 to 1	18519	4.14	300	3704	0.21	41.49	91.79	43.1	22	1517	15
HDA600-B-SF-X3	PDF			1800	1440	30 to 1	22222	4.56	300	4444	0.24	47.99	91.79	43.1	22	1629	15

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-S – Vertical Airflow

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-F-ST	PDF			150	120	10 to 1	5556	0.39	100	1111	0.02	21.99	30.6	43.06	22.03	244	4	2.5
HDA200-F-ST	PDF			200	160	10 to 1	7407	0.67	100	1481	0.03	21.44	31.39	42.84	22.76	232	4	2.5
HDA250-F-ST	PDF			250	200	5 to 1	9259	0.83	100	1852	0.04	24.69	31.39	42.84	22.76	264	4	2.5
HDA250-F-ST (6)	PDF			250	200	10 to 1	9259	0.69	100	1852	0.03	27.43	41.49	42.84	22.25	278	4	2.5
HDA300-F-ST	PDF			300	240	10 to 1	11111	0.96	100	2222	0.05	27.94	31.39	42.84	22.76	278	4	2.5
HDA350-F-ST	PDF			350	280	5 to 1	12963	1.09	100	2593	0.06	31.19	31.39	42.84	22.76	389	4	2.5
HDA350-F-ST (8)	PDF			350	280	10 to 1	12963	0.93	100	2593	0.05	33.93	41.49	42.84	22.25	439	4	2.5
HDA400-F-ST	PDF			400	320	10 to 1	14815	1.2	100	2963	0.06	34.44	31.39	42.84	22.76	439	4	2.5
HDA500-F-ST	PDF			500	400	10 to 1	18519	1.38	100	3704	0.07	40.94	31.39	42.84	22.76	480	5
HDA600-F-ST	PDF			600	480	10 to 1	22222	1.52	100	4444	0.08	47.44	31.39	42.84	22.76	522	5
HDA150-F-ST-X2	PDF			150	120	20 to 1	5556	0.78	200	1111	0.04	41.74	31.39	43.06	21.98	488	8	5
HDA200-F-ST-X2	PDF			400	320	20 to 1	7407	1.34	200	1481	0.06	41.74	31.39	43	21.98	487	8	5
HDA250-F-ST-X2	PDF			500	400	10 to 1	9259	1.66	200	1852	0.08	48.24	31.39	43	21.98	564	8	5
HDA250-F-ST-X2 (6)	PDF			500	400	10 to 1	9259	1.38	200	1852	0.06	54.74	31.39	43	21.98	585	8	5
HDA300-F-ST-X2	PDF			600	480	20 to 1	11111	1.92	200	2222	0.1	54.74	31.39	43	21.98	585	8	5
HDA350-F-ST-X2	PDF			700	560	10 to 1	12963	2.18	200	2593	0.12	61.24	31.39	43	21.98	668	8	5
HDA350-F-ST-X2 (8)	PDF			700	560	10 to 1	12963	1.86	200	2593	0.1	67.74	31.39	43	21.98	923	8	5
HDA400-F-ST-X2	PDF			800	640	20 to 1	14815	2.4	200	2963	0.12	67.74	31.39	43	21.98	923	8	5
HDA500-F-ST-X2	PDF			1000	800	20 to 1	18519	2.76	200	3704	0.14	80.74	31.39	43	21.98	1011	10
HDA600-F-ST-X2	PDF			1200	960	20 to 1	22222	3.04	200	4444	0.16	93.74	31.39	43	21.98	1086	10
HDA150-F-ST-X3	PDF			450	360	30 to 1	5556	1.17	300	1111	0.06	62.56	31.39	45.78	19.19	732	12	7.5
HDA200-F-ST-X3	PDF			600	480	30 to 1	7407	2.01	300	1481	0.09	62.56	31.39	42.84	22.25	731	12	7.5
HDA250-F-ST-X3	PDF			750	600	15 to 1	9259	2.49	300	1852	0.12	72.31	31.39	42.84	22.25	846	12	7.5
HDA250-F-ST-X3 (6)	PDF			750	600	15 to 1	9259	2.07	300	1852	0.09	82.06	31.39	42.84	22.25	878	12	7.5
HDA300-F-ST-X3	PDF			900	720	30 to 1	11111	2.88	300	2222	0.15	82.06	31.39	42.84	22.25	878	12	7.5
HDA350-F-ST-X3	PDF			1050	840	15 to 1	12963	3.27	300	2593	0.18	91.81	31.39	42.84	22.25	1002	12	7.5
HDA350-F-ST-X3 (8)	PDF			1050	840	15 to 1	12963	2.79	300	2593	0.15	101.56	31.39	42.84	22.25	1385	12	7.5
HDA400-F-ST-X3	PDF			1200	960	30 to 1	14815	3.6	300	2963	0.18	101.56	31.39	42.84	22.25	1385	12	7.5
HDA500-F-ST-X3	PDF			1500	1200	30 to 1	18519	4.14	300	3704	0.21	121.06	31.39	42.84	22.25	1517	15
HDA600-F-ST-X3	PDF			1800	1440	30 to 1	22222	4.56	300	4444	0.24	140.56	31.39	42.84	22.25	1629	15

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-F-SF-X2	PDF			150	120	20 to 1	5556	0.78	200	1111	0.04	41.74	41.49	43.06	21.98	488	8	5
HDA200-F-SF-X2	PDF			400	320	20 to 1	7407	1.34	200	1481	0.06	41.74	41.49	43	21.98	487	8	5
HDA250-F-SF-X2	PDF			500	400	10 to 1	9259	1.66	200	1852	0.08	48.24	41.49	43	21.98	564	8	5
HDA250-F-SF-X2 (6)	PDF			500	400	10 to 1	9259	1.38	200	1852	0.06	54.74	41.49	43	21.98	585	8	5
HDA300-F-SF-X2	PDF			600	480	20 to 1	11111	1.92	200	2222	0.1	54.74	41.49	43	21.98	585	8	5
HDA350-F-SF-X2	PDF			700	560	10 to 1	12963	2.18	200	2593	0.12	61.24	41.49	43	21.98	668	8	5
HDA350-F-SF-X2 (8)	PDF			700	560	10 to 1	12963	1.86	200	2593	0.1	67.74	41.49	43	21.98	923	8	5
HDA400-F-SF-X2	PDF			800	640	20 to 1	14815	2.4	200	2963	0.12	67.74	41.49	43	21.98	923	8	5
HDA500-F-SF-X2	PDF			1000	800	20 to 1	18519	2.76	200	3704	0.14	80.74	41.49	43	21.98	1011	10
HDA600-F-SF-X2	PDF			1200	960	20 to 1	22222	3.04	200	4444	0.16	93.74	41.49	43	21.98	1086	10
HDA150-F-SF-X3	PDF			450	360	30 to 1	5556	1.17	300	1111	0.06	62.56	41.49	42.84	22.25	732	12	7.5
HDA200-F-SF-X3	PDF			600	480	30 to 1	7407	2.01	300	1481	0.09	62.56	41.49	42.84	22.25	731	12	7.5
HDA250-F-SF-X3	PDF			750	600	15 to 1	9259	2.49	300	1852	0.12	72.31	41.49	42.84	22.25	846	12	7.5
HDA250-F-SF-X3 (6)	PDF			750	600	15 to 1	9259	2.07	300	1852	0.09	82.06	41.49	42.84	22.25	878	12	7.5
HDA300-F-SF-X3	PDF			900	720	30 to 1	11111	2.88	300	2222	0.15	82.06	41.49	42.84	22.25	878	12	7.5
HDA350-F-SF-X3	PDF			1050	840	15 to 1	12963	3.27	300	2593	0.18	88.56	41.49	42.84	22.25	1002	12	7.5
HDA350-F-SF-X3 (8)	PDF			1050	840	15 to 1	12963	2.79	300	2593	0.15	101.56	41.49	42.84	22.25	1385	12	7.5
HDA400-F-SF-X3	PDF			1200	960	30 to 1	14815	3.6	300	2963	0.18	101.56	41.49	42.84	22.25	1385	12	7.5
HDA500-F-SF-X3	PDF			1500	1200	30 to 1	18519	4.14	300	3704	0.21	121.06	41.49	42.84	22.25	1517	15
HDA600-F-SF-X3	PDF			1800	1440	30 to 1	22222	4.56	300	4444	0.24	140.56	41.49	42.84	22.25	1629	15

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-S – Horizontal Airflow

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-M-ST	PDF			150	120	10 to 1	5556	0.02	60	1852	0.01	30.6	21.98	43.06	22.03	244	4	2.5
HDA200-M-ST	PDF			200	160	10 to 1	7407	0.03	60	2469	0.01	31.39	21.44	43	22.03	232	4	2.5
HDA250-M-ST	PDF			250	200	5 to 1	9259	0.06	60	3086	0.01	31.39	24.69	43	22.03	268	4	2.5
HDA250-M-ST (6)	PDF			250	200	10 to 1	9259	0.08	60	3086	0.01	31.39	24.69	43	22.03	278	4	2.5
HDA300-M-ST	PDF			300	240	10 to 1	11111	0.11	60	3704	0.01	31.39	27.94	43	22.03	278	4	2.5
HDA350-M-ST	PDF			350	280	5 to 1	12963	0.17	60	4321	0.02	31.39	31.19	43	22.03	389	4	2.5
HDA350-M-ST (8)	PDF			350	280	10 to 1	12963	0.19	60	4321	0.03	31.39	31.19	43	22.03	439	4	2.5
HDA400-M-ST	PDF			400	320	10 to 1	14815	0.25	60	4938	0.03	31.39	34.44	43	22.03	439	4	2.5
HDA500-M-ST	PDF			500	400	10 to 1	18519	0.47	60	6173	0.06	31.39	40.94	43	22.03	480	5
HDA600-M-ST	PDF			600	480	10 to 1	22222	0.79	60	7407	0.1	31.39	47.44	43	22.03	522	5
HDA200-M-ST-X2	PDF			400	320	20 to 1	7407	0.06	120	2469	0.02	31.39	41.74	43	22.03	487	8	5
HDA250-M-ST-X2	PDF			500	400	10 to 1	9259	0.12	120	3086	0.02	31.39	48.24	43	22.03	564	8	5
HDA250-M-ST-X2 (6)	PDF			500	400	20 to 1	9259	0.16	120	3086	0.01	31.39	48.24	43	22.03	585	8	5
HDA300-M-ST-X2	PDF			600	480	20 to 1	11111	0.22	120	3704	0.02	31.39	54.74	43	22.03	585	8	5
HDA350-M-ST-X2	PDF			700	560	10 to 1	12963	0.34	120	4321	0.04	31.39	61.24	43	22.03	668	8	5
HDA350-M-ST-X2 (8)	PDF			700	560	20 to 1	12963	0.38	120	4321	0.05	31.39	61.24	43	22.03	923	8	5
HDA500-M-ST-X2	PDF			1000	800	20 to 1	18519	0.94	120	6173	0.12	31.39	80.74	43	22.03	1011	10
HDA600-M-ST-X2	PDF			1200	960	20 to 1	22222	1.58	120	7407	0.2	31.39	93.74	43	22.03	1086	10
HDA200-M-ST-X3	PDF			600	480	30 to 1	7407	0.09	180	2469	0.03	33.42	62.56	43.1	22	731	12	7.5
HDA250-M-ST-X3	PDF			750	600	15 to 1	9259	0.18	180	3086	0.03	33.42	72.31	43.1	22	846	12	7.5
HDA250-M-ST-X3 (6)	PDF			750	600	30 to 1	9259	0.24	180	3086	0.03	33.42	82.06	43.1	22	878	12	7.5
HDA300-M-ST-X3	PDF			900	720	30 to 1	11111	0.33	180	3704	0.03	33.42	82.06	43.1	22	878	12	7.5
HDA350-M-ST-X3	PDF			1050	840	15 to 1	12963	0.51	180	4321	0.06	33.42	91.81	43.1	22	1002	12	7.5
HDA350-M-ST-X3 (8)	PDF			1050	840	30 to 1	12963	0.57	180	4321	0.09	33.42	101.56	43.1	22	1385	12	7.5
HDA500-M-ST-X3	PDF			1500	1200	30 to 1	18519	1.41	180	6173	0.18	33.42	121.06	43.1	22	1517	15
HDA600-M-ST-X3	PDF			1800	1440	30 to 1	22222	2.37	180	7407	0.3	33.42	140.56	43.1	22	1629	15

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-M-SF-X2	PDF			150	120	20 to 1	5556	0.04	120	1111	0.02	41.99	41.74	43.06	21.98	488	8	5
HDA200-M-SF-X2	PDF			400	320	20 to 1	7407	0.06	120	1481	0.02	41.99	41.74	43	21.98	487	8	5
HDA250-M-SF-X2	PDF			500	400	10 to 1	9259	0.12	120	1852	0.02	41.99	48.24	43	21.98	564	8	5
HDA250-M-SF-X2 (6)	PDF			500	400	10 to 1	9259	0.16	120	1852	0.02	41.99	54.74	43	21.98	585	8	5
HDA300-M-SF-X2	PDF			600	480	20 to 1	11111	0.22	120	2222	0.02	41.99	54.74	43	21.98	585	8	5
HDA350-M-SF-X2	PDF			700	560	10 to 1	12963	0.34	120	2593	0.04	41.99	61.24	43	21.98	668	8	5
HDA350-M-SF-X2 (8)	PDF			700	560	10 to 1	12963	0.38	120	2593	0.06	41.99	67.74	43	21.98	923	8	5
HDA400-M-SF-X2	PDF			800	640	20 to 1	14815	0.5	120	2963	0.06	41.99	67.74	43	21.98	923	8	5
HDA500-M-SF-X2	PDF			1000	800	20 to 1	18519	0.94	120	3704	0.12	41.99	80.74	43	21.98	1011	10
HDA600-M-SF-X2	PDF			1200	960	20 to 1	22222	1.58	120	4444	0.2	41.99	93.77	43	21.98	1086	10
HDA150-M-SF-X3	PDF			450	360	30 to 1	5556	0.06	180	1111	0.03	43.52	62.56	43.1	22	732	12	7.5
HDA200-M-SF-X3	PDF			600	480	30 to 1	7407	0.09	180	1481	0.03	43.52	62.56	43.1	22	731	12	7.5
HDA250-M-SF-X3	PDF			750	600	15 to 1	9259	0.18	180	1852	0.03	43.52	72.31	43.1	22	846	12	7.5
HDA250-M-SF-X3 (6)	PDF			750	600	15 to 1	9259	0.24	180	1852	0.03	43.52	82.06	43.1	22	878	12	7.5
HDA300-M-SF-X3	PDF			900	720	30 to 1	11111	0.33	180	2222	0.03	43.52	82.06	43.1	22	878	12	7.5
HDA350-M-SF-X3	PDF			1050	840	15 to 1	12963	0.51	180	2593	0.06	43.52	91.81	43.1	22	1002	12	7.5
HDA350-M-SF-X3 (8)	PDF			1050	840	15 to 1	12963	0.57	180	2593	0.09	43.52	101.56	43.1	22	1385	12	7.5
HDA400-M-SF-X3	PDF			1200	960	30 to 1	14815	0.75	180	2963	0.09	43.52	101.56	43.1	22	1385	12	7.5
HDA500-M-SF-X3	PDF			1500	1200	30 to 1	18519	1.41	180	3704	0.18	43.52	121.06	43.1	22	1517	15
HDA600-M-SF-X3	PDF			1800	1440	30 to 1	22222	2.37	180	4444	0.3	43.52	140.56	43.1	22	1629	15

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-S – Vertical Airflow

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-I-ST	PDF			150	120	10 to 1	5556	0.02	60	1852	0.01	30.6	21.98	43.06	22.03	244	4	2.5
HDA200-I-ST	PDF			200	160	10 to 1	7407	0.03	60	2469	0.01	29.98	21.99	42.84	22.76	232	4	2.5
HDA250-I-ST	PDF			250	200	5 to 1	9259	0.06	60	3086	0.01	29.98	25.24	42.84	22.76	268	4	2.5
HDA250-I-ST (6)	PDF			250	200	10 to 1	9259	0.08	60	3086	0.01	30.09	28.49	42.84	22.25	278	4	2.5
HDA300-I-ST	PDF			300	240	10 to 1	11111	0.11	60	3704	0.01	29.98	28.49	42.84	22.76	278	4	2.5
HDA350-I-ST	PDF			350	280	5 to 1	12963	0.17	60	4321	0.02	29.98	31.74	42.84	22.76	389	4	2.5
HDA350-I-ST (8)	PDF			350	280	10 to 1	12963	0.19	60	4321	0.03	30.09	34.99	42.84	22.25	439	4	2.5
HDA400-I-ST	PDF			400	320	10 to 1	14815	0.25	60	4938	0.03	29.98	34.99	42.84	22.76	439	4	2.5
HDA500-I-ST	PDF			500	400	10 to 1	18519	0.47	60	6173	0.06	29.98	41.49	42.84	22.76	480	5
HDA600-I-ST	PDF			600	480	10 to 1	22222	0.79	60	7407	0.1	29.98	47.99	42.84	22.76	522	5
HDA150-I-ST-X2	PDF			150	120	20 to 1	5556	0.04	120	1111	0.02	60.18	21.99	43.06	21.98	488	8	5
HDA200-I-ST-X2	PDF			400	320	20 to 1	7407	0.06	120	1481	0.02	60.18	21.99	43	21.98	487	8	5
HDA250-I-ST-X2	PDF			500	400	10 to 1	9259	0.12	120	1852	0.02	60.18	25.24	43	21.98	564	8	5
HDA250-I-ST-X2 (6)	PDF			500	400	10 to 1	9259	0.16	120	1852	0.02	60.18	25.24	43	21.98	585	8	5
HDA300-I-ST-X2	PDF			600	480	20 to 1	11111	0.22	120	2222	0.02	60.18	28.49	43	21.98	585	8	5
HDA350-I-ST-X2	PDF			700	560	10 to 1	12963	0.34	120	2593	0.04	60.18	31.74	43	21.98	668	8	5
HDA350-I-ST-X2 (8)	PDF			700	560	10 to 1	12963	0.38	120	2593	0.06	60.18	31.74	43	21.98	923	8	5
HDA400-I-ST-X2	PDF			800	640	20 to 1	14815	0.5	120	2963	0.06	60.18	34.99	43	21.98	923	8	5
HDA500-I-ST-X2	PDF			1000	800	20 to 1	18519	0.94	120	3704	0.12	60.18	41.49	43	21.98	1011	10
HDA600-I-ST-X2	PDF			1200	960	20 to 1	22222	1.58	120	4444	0.2	60.18	47.99	43	21.98	1086	10
HDA150-I-ST-X3	PDF			450	360	30 to 1	5556	0.06	180	1111	0.03	91.79	22.92	43.1	22	732	12	7.5
HDA200-I-ST-X3	PDF			600	480	30 to 1	7407	0.09	180	1481	0.03	91.79	22.92	43.1	22	731	12	7.5
HDA250-I-ST-X3	PDF			750	600	15 to 1	9259	0.18	180	1852	0.03	91.79	26.17	43.1	22	846	12	7.5
HDA250-I-ST-X3 (6)	PDF			750	600	15 to 1	9259	0.24	180	1852	0.03	91.79	29.42	43.1	22	878	12	7.5
HDA300-I-ST-X3	PDF			900	720	30 to 1	11111	0.33	180	2222	0.03	91.79	29.42	43.1	22	878	12	7.5
HDA350-I-ST-X3	PDF			1050	840	15 to 1	12963	0.51	180	2593	0.06	91.79	31.74	43.1	22	1002	12	7.5
HDA350-I-ST-X3 (8)	PDF			1050	840	15 to 1	12963	0.57	180	2593	0.09	91.79	34.99	43.1	22	1385	12	7.5
HDA400-I-ST-X3	PDF			1200	960	30 to 1	14815	0.75	180	2963	0.09	91.79	34.99	43.1	22	1385	12	7.5
HDA500-I-ST-X3	PDF			1500	1200	30 to 1	18519	1.41	180	3704	0.18	91.79	41.49	43.1	22	1517	15
HDA600-I-ST-X3	PDF			1800	1440	30 to 1	22222	2.37	180	4444	0.3	91.79	47.99	43.1	22	1629	15

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDA150-I-SF-X2	PDF			150	120	20 to 1	5556	0.04	120	1111	0.02	60.18	21.99	43.06	21.98	488	8	5
HDA200-I-SF-X2	PDF			400	320	20 to 1	7407	0.06	120	1481	0.02	60.18	21.99	43	21.98	487	8	5
HDA250-I-SF-X2	PDF			500	400	10 to 1	9259	0.12	120	1852	0.02	60.18	25.24	43	21.98	564	8	5
HDA250-I-SF-X2 (6)	PDF			500	400	10 to 1	9259	0.16	120	1852	0.02	60.18	25.24	43	21.98	585	8	5
HDA300-I-SF-X2	PDF			600	480	20 to 1	11111	0.22	120	2222	0.02	60.18	28.49	43	21.98	585	8	5
HDA350-I-SF-X2	PDF			700	560	10 to 1	12963	0.34	120	2593	0.04	60.18	31.74	43	21.98	668	8	5
HDA350-I-SF-X2 (8)	PDF			700	560	10 to 1	12963	0.38	120	2593	0.06	60.18	31.74	43	21.98	923	8	5
HDA400-I-SF-X2	PDF			800	640	20 to 1	14815	0.5	120	2963	0.06	60.18	34.99	43	21.98	923	8	5
HDA500-I-SF-X2	PDF			1000	800	20 to 1	18519	0.94	120	3704	0.12	60.18	41.49	43	21.98	1011	10
HDA600-I-SF-X2	PDF			1200	960	20 to 1	22222	1.58	120	4444	0.2	60.18	47.99	43	21.98	1086	10
HDA150-I-SF-X3	PDF			450	360	30 to 1	5556	0.06	180	1111	0.03	91.79	22.92	43.1	22	732	12	7.5
HDA200-I-SF-X3	PDF			600	480	30 to 1	7407	0.09	180	1481	0.03	91.79	22.92	43.1	22	731	12	7.5
HDA250-I-SF-X3	PDF			750	600	15 to 1	9259	0.18	180	1852	0.03	91.79	26.17	43.1	22	846	12	7.5
HDA250-I-SF-X3 (6)	PDF			750	600	15 to 1	9259	0.24	180	1852	0.03	91.79	29.42	43.1	22	878	12	7.5
HDA300-I-SF-X3	PDF			900	720	30 to 1	11111	0.33	180	2222	0.03	91.79	29.42	43.1	22	878	12	7.5
HDA350-I-SF-X3	PDF			1050	840	15 to 1	12963	0.51	180	2593	0.06	91.79	31.74	43.1	22	1002	12	7.5
HDA350-I-SF-X3 (8)	PDF			1050	840	15 to 1	12963	0.57	180	2593	0.09	91.79	34.99	43.1	22	1385	12	7.5
HDA400-I-SF-X3	PDF			1200	960	30 to 1	14815	0.75	180	2963	0.09	91.79	34.99	43.1	22	1385	12	7.5
HDA500-I-SF-X3	PDF			1500	1200	30 to 1	18519	1.41	180	3704	0.18	91.79	41.49	43.1	22	1517	15
HDA600-I-SF-X3	PDF			1800	1440	30 to 1	22222	2.37	180	4444	0.3	91.79	47.99	43.1	22	1629	15

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 Units

Images coming soon!

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB200-B-ST	PDF			200	160	10 to 1	7407	0.34	90	1646	0.02	32.05	19.24	74.18	22.09	174	4	2.5
HDB250-B-ST	PDF			250	200	5 to 1	9259	0.39	90	2058	0.02	32.05	19.24	74.18	22.09	216	4	2.5
HDB250-B-ST (6)	PDF			250	200	10 to 1	9259	0.32	90	2058	0.02	32.05	19.24	74.18	22.09	279	4	2.5
HDB300-B-ST	PDF			300	240	10 to 1	11111	0.44	90	2469	0.03	32.05	19.24	74.18	22.09	279	4	2.5
HDB350-B-ST	PDF			350	280	5 to 1	12963	0.48	90	2881	0.03	38.55	19.24	74.18	22.09	342	4	2.5
HDB350-B-ST (8)	PDF			350	280	10 to 1	12963	0.4	90	2881	0.02	38.55	19.24	74.18	22.09	405	4	2.5
HDB400-B-ST	PDF			400	320	10 to 1	14815	0.52	90	3292	0.03	38.55	19.24	74.18	22.09	405	4	2.5
HDB500-B-ST	PDF			500	400	10 to 1	18519	0.57	75	4938	0.05	45.07	23.87	74.18	22.09	484	5
HDB600-B-ST	PDF			600	480	10 to 1	22222	0.61	75	5926	0.05	51.55	23.87	74.18	22.09	516	5
HDB180-B-ST-X2	PDF			360	288	10 to 1	6667	0.56	180	1481	0.04	32.05	38.48	74.18	22.09	348	8	5
HDB200-B-ST-X2	PDF			400	320	20 to 1	7407	0.68	180	1646	0.04	32.05	38.48	74.18	22.09	348	8	5
HDB250-B-ST-X2	PDF			500	400	10 to 1	9259	0.78	180	2058	0.04	32.05	38.48	74.18	22.09	432	8	5
HDB250-B-ST-X2 (6)	PDF			500	400	20 to 1	9259	0.64	180	2058	0.04	32.05	38.48	74.18	22.09	558	8	5
HDB300-B-ST-X2	PDF			600	480	20 to 1	11111	0.88	180	2469	0.06	32.05	38.48	74.18	22.09	558	8	5
HDB350-B-ST-X2	PDF			700	560	10 to 1	12963	0.96	180	2881	0.06	38.55	38.48	74.18	22.09	684	8	5
HDB350-B-ST-X2 (8)	PDF			700	560	20 to 1	12963	0.8	180	2881	0.04	38.55	38.48	74.18	22.09	810	8	5
HDB400-B-ST-X2	PDF			800	640	20 to 1	14815	1.04	180	3292	0.06	38.55	38.48	74.18	22.09	810	8	5
HDB500-B-ST-X2	PDF			1000	800	20 to 1	18519	1.14	150	4938	0.1	45.07	47.74	74.18	22.09	968	10
HDB600-B-ST-X2	PDF			1200	960	20 to 1	22222	1.22	150	5926	0.1	51.55	47.74	74.18	22.09	1032	10
HDB180-B-ST-X3	PDF			540	432	15 to 1	6667	0.84	270	1481	0.06	30.02	57.49	74.18	22.09	522	12	7.5
HDB200-B-ST-X3	PDF			600	480	30 to 1	7407	1.02	270	1646	0.06	30.02	57.49	74.18	22.09	522	12	7.5
HDB250-B-ST-X3	PDF			750	600	15 to 1	9259	1.17	270	2058	0.06	30.02	57.49	74.18	22.09	648	12	7.5
HDB250-B-ST-X3 (6)	PDF			750	600	30 to 1	9259	0.96	270	2058	0.06	30.02	57.49	74.18	22.09	837	12	7.5
HDB300-B-ST-X3	PDF			900	720	30 to 1	11111	1.32	270	2469	0.09	30.02	57.49	74.18	22.08	837	12	7.5
HDB350-B-ST-X3	PDF			1050	840	15 to 1	12963	1.44	270	2881	0.09	57.49	36.52	74.18	22.09	1026	12	7.5
HDB350-B-ST-X3 (8)	PDF			1050	840	30 to 1	12963	1.2	270	2881	0.06	57.49	36.52	74.18	22.09	1215	12	7.5
HDB400-B-ST-X3	PDF			1200	960	30 to 1	14815	1.56	270	3292	0.09	36.52	57.49	74.18	22.09	1215	12	7.5
HDB500-B-ST-X3	PDF			1500	1200	30 to 1	18519	1.71	225	4938	0.15	43.03	71.38	74.18	22.09	1452	15
HDB600-B-ST-X3	PDF			1800	1440	30 to 1	22222	1.83	225	5926	0.15	49.52	71.38	74.18	22.09	1548	15

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB180-B-SF-X2	PDF			360	288	10 to 1	6667	0.56	180	1481	0.04	32.05	38.48	74.18	22.09	348	8	5
HDB200-B-SF-X2	PDF			400	320	20 to 1	7407	0.68	180	1646	0.04	32.05	38.48	74.18	22.09	348	8	5
HDB250-B-SF-X2	PDF			500	400	10 to 1	9259	0.78	180	2058	0.04	32.05	38.48	74.18	22.09	432	8	5
HDB250-B-SF-X2 (6)	PDF			500	400	20 to 1	9259	0.64	180	2058	0.04	32.05	38.48	74.18	22.09	558	8	5
HDB300-B-SF-X2	PDF			600	480	20 to 1	11111	0.88	180	2469	0.06	32.05	38.48	74.18	22.09	558	8	5
HDB350-B-SF-X2	PDF			700	560	10 to 1	12963	0.96	180	2881	0.06	38.55	38.48	74.18	22.09	684	8	5
HDB350-B-SF-X2 (8)	PDF			700	560	20 to 1	12963	0.8	180	2881	0.04	38.55	38.48	74.18	22.09	810	8	5
HDB400-B-SF-X2	PDF			800	640	20 to 1	14815	1.04	180	3292	0.06	38.55	38.48	74.18	22.09	810	8	5
HDB500-B-SF-X2	PDF			1000	800	20 to 1	18519	1.14	150	4938	0.1	45.07	47.74	74.18	22.09	968	10
HDB600-B-SF-X2	PDF			1200	960	20 to 1	22222	1.22	150	5926	0.1	51.55	47.74	74.18	22.09	1032	10
HDB180-B-SF-X3	PDF			540	432	15 to 1	6667	0.84	270	1481	0.06	30.02	57.49	74.18	22.09	522	12	7.5
HDB200-B-SF-X3	PDF			600	480	30 to 1	7407	1.02	270	1646	0.06	30.02	57.49	74.18	22.09	522	12	7.5
HDB250-B-SF-X3	PDF			750	600	15 to 1	9259	1.17	270	2058	0.06	30.02	57.49	74.18	22.09	648	12	7.5
HDB250-B-SF-X3 (6)	PDF			750	600	30 to 1	9259	0.96	270	2058	0.06	30.02	57.49	74.18	22.09	837	12	7.5
HDB300-B-SF-X3	PDF			900	720	30 to 1	11111	1.32	270	2469	0.09	30.02	57.49	74.18	22.08	837	12	7.5
HDB350-B-SF-X3	PDF			1050	840	15 to 1	12963	1.44	270	2881	0.09	57.49	36.52	74.18	22.09	1026	12	7.5
HDB350-B-SF-X3 (8)	PDF			1050	840	30 to 1	12963	1.2	270	2881	0.06	57.49	36.52	74.18	22.09	1215	12	7.5
HDB400-B-SF-X3	PDF			1200	960	30 to 1	14815	1.56	270	3292	0.09	36.52	57.49	74.18	22.09	1215	12	7.5
HDB500-B-SF-X3	PDF			1500	1200	30 to 1	18519	1.71	225	4938	0.15	43.03	71.38	74.18	22.09	1452	15
HDB600-B-SF-X3	PDF			1800	1440	30 to 1	22222	1.83	225	5926	0.15	49.52	71.38	74.18	22.09	1548	15

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 Units

Images coming soon!

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB200-F-ST	PDF			200	160	10 to 1	7407	0.34	90	1646	0.02	22.33	35.02	71.84	23.48	174	4	2.5
HDB250-F-ST	PDF			250	200	5 to 1	9259	0.39	90	2058	0.02	25.58	35.02	71.84	23.48	216	4	2.5
HDB250-F-ST (6)	PDF			250	200	10 to 1	9259	0.32	90	2058	0.02	28.83	35.02	74.18	22.09	279	4	2.5
HDB300-F-ST	PDF			300	240	10 to 1	11111	0.44	90	2469	0.03	28.83	35.02	71.84	23.48	279	4	2.5
HDB350-F-ST	PDF			350	280	5 to 1	12963	0.48	90	2881	0.03	32.08	35.02	71.84	23.48	342	4	2.5
HDB350-F-ST (8)	PDF			350	280	10 to 1	12963	0.4	90	2881	0.02	35.33	35.02	74.18	22.09	405	4	2.5
HDB400-F-ST	PDF			400	320	10 to 1	14815	0.52	90	3292	0.03	35.33	35.02	71.84	23.48	405	4	2.5
HDB500-F-ST	PDF			500	400	10 to 1	18519	0.57	75	4938	0.05	41.83	43.02	71.84	23.48	484	5
HDB600-F-ST	PDF			600	480	10 to 1	22222	0.61	75	5926	0.05	48.33	43.02	71.84	23.48	516	5
HDB180-F-ST-X2	PDF			360	288	10 to 1	6667	0.56	180	1481	0.04	44.56	35.02	74.18	22.11	348	8	5
HDB200-F-ST-X2	PDF			400	320	20 to 1	7407	0.68	180	1646	0.04	44.56	35.02	74.18	22.11	348	8	5
HDB250-F-ST-X2	PDF			500	400	10 to 1	9259	0.78	180	2058	0.04	51.06	35.02	74.18	22.11	432	8	5
HDB250-F-ST-X2 (6)	PDF			500	400	20 to 1	9259	0.64	180	2058	0.04	57.56	35.02	74.18	22.11	558	8	5
HDB300-F-ST-X2	PDF			600	480	20 to 1	11111	0.88	180	2469	0.06	57.56	35.02	74.18	22.11	558	8	5
HDB350-F-ST-X2	PDF			700	560	10 to 1	12963	0.96	180	2881	0.06	64.06	35.02	74.18	22.11	684	8	5
HDB350-F-ST-X2 (8)	PDF			700	560	20 to 1	12963	0.8	180	2881	0.04	70.56	35.02	74.18	22.11	810	8	5
HDB400-F-ST-X2	PDF			800	640	20 to 1	14815	1.04	180	3292	0.06	70.56	35.02	74.18	22.11	810	8	5
HDB500-F-ST-X2	PDF			1000	800	20 to 1	18519	1.14	150	4938	0.1	83.56	43.02	74.18	22.11	968	10
HDB600-F-ST-X2	PDF			1200	960	20 to 1	22222	1.22	150	5926	0.1	96.56	43.02	74.18	22.11	1032	10
HDB180-F-ST-X3	PDF			540	432	15 to 1	6667	0.84	270	1481	0.06	66.78	35.02	74.18	22.09	522	12	7.5
HDB200-F-ST-X3	PDF			600	480	30 to 1	7407	1.02	270	1646	0.06	66.78	35.02	74.18	22.09	522	12	7.5
HDB250-F-ST-X3	PDF			750	600	15 to 1	9259	1.17	270	2058	0.06	86.28	35.02	74.18	22.09	648	12	7.5
HDB250-F-ST-X3 (6)	PDF			750	600	30 to 1	9259	0.96	270	2058	0.06	86.28	35.02	74.18	22.09	837	12	7.5
HDB300-F-ST-X3	PDF			900	720	30 to 1	11111	1.32	270	2469	0.09	86.28	35.02	74.18	22.09	837	12	7.5
HDB350-F-ST-X3	PDF			1050	840	15 to 1	12963	1.44	270	2881	0.09	105.78	35.02	74.18	22.09	1026	12	7.5
HDB350-F-ST-X3 (8)	PDF			1050	840	30 to 1	12963	1.2	270	2881	0.06	105.78	35.02	74.18	22.09	1215	12	7.5
HDB400-F-ST-X3	PDF			1200	960	30 to 1	14815	1.56	270	3292	0.09	105.78	35.02	74.18	22.09	1215	12	7.5
HDB500-F-ST-X3	PDF			1500	1200	30 to 1	18519	1.71	225	4938	0.15	125.28	43.02	74.18	22.09	1452	15
HDB600-F-ST-X3	PDF			1800	1440	30 to 1	22222	1.83	225	5926	0.15	144.78	43.02	74.18	22.09	1548	15

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB180-F-SF-X2	PDF			360	288	10 to 1	6667	0.56	180	1481	0.04	44.56	35.02	74.18	22.11	348	8	5
HDB200-F-SF-X2	PDF			400	320	20 to 1	7407	0.68	180	1646	0.04	44.56	35.02	74.18	22.11	348	8	5
HDB250-F-SF-X2	PDF			500	400	10 to 1	9259	0.78	180	2058	0.04	51.06	35.02	74.18	22.11	432	8	5
HDB250-F-SF-X2 (6)	PDF			500	400	20 to 1	9259	0.64	180	2058	0.04	57.56	35.02	74.18	22.11	558	8	5
HDB300-F-SF-X2	PDF			600	480	20 to 1	11111	0.88	180	2469	0.06	57.56	35.02	74.18	22.11	558	8	5
HDB350-F-SF-X2	PDF			700	560	10 to 1	12963	0.96	180	2881	0.06	64.06	35.02	74.18	22.11	684	8	5
HDB350-F-SF-X2 (8)	PDF			700	560	20 to 1	12963	0.8	180	2881	0.04	70.56	35.02	74.18	22.11	810	8	5
HDB400-F-SF-X2	PDF			800	640	20 to 1	14815	1.04	180	3292	0.06	70.56	35.02	74.18	22.11	810	8	5
HDB500-F-SF-X2	PDF			1000	800	20 to 1	18519	1.14	150	4938	0.1	83.56	43.02	74.18	22.11	968	10
HDB600-F-SF-X2	PDF			1200	960	20 to 1	22222	1.22	150	5926	0.1	96.56	43.02	74.18	22.11	1032	10
HDB180-F-SF-X3	PDF			540	432	15 to 1	6667	0.84	270	1481	0.06	66.78	35.02	74.18	22.09	522	12	7.5
HDB200-F-SF-X3	PDF			600	480	30 to 1	7407	1.02	270	1646	0.06	66.78	35.02	74.18	22.09	522	12	7.5
HDB250-F-SF-X3	PDF			750	600	15 to 1	9259	1.17	270	2058	0.06	86.28	35.02	74.18	22.09	648	12	7.5
HDB250-F-SF-X3 (6)	PDF			750	600	30 to 1	9259	0.96	270	2058	0.06	86.28	35.02	74.18	22.09	837	12	7.5
HDB300-F-SF-X3	PDF			900	720	30 to 1	11111	1.32	270	2469	0.09	86.28	35.02	74.18	22.09	837	12	7.5
HDB350-F-SF-X3	PDF			1050	840	15 to 1	12963	1.44	270	2881	0.09	105.78	35.02	74.18	22.09	1026	12	7.5
HDB350-F-SF-X3 (8)	PDF			1050	840	30 to 1	12963	1.2	270	2881	0.06	105.78	35.02	74.18	22.09	1215	12	7.5
HDB400-F-SF-X3	PDF			1200	960	30 to 1	14815	1.56	270	3292	0.09	105.78	35.02	74.18	22.09	1215	12	7.5
HDB500-F-SF-X3	PDF			1500	1200	30 to 1	18519	1.71	225	4938	0.15	125.28	43.02	74.18	22.09	1452	15
HDB600-F-SF-X3	PDF			1800	1440	30 to 1	22222	1.83	225	5926	0.15	144.78	43.02	74.18	22.09	1548	15

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 Units

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-B-ST	PDF			50	40	5 to 1	1852	0.37	80	463	0.03	18.59	21.59	27.05	20.29	104	2	1.5
HDG075-B-ST	PDF			75	60	5 to 1	2778	0.79	80	694	0.06	18.59	21.59	27.05	20.29	104	2	1.5
HDG100-B-ST	PDF			100	80	5 to 1	3704	0.9	80	926	0.07	21.34	21.59	27.05	20.29	147	2	1.5
HDG125-B-ST	PDF			125	100	5 to 1	4630	0.98	80	1157	0.08	24.09	21.59	27.05	20.29	186	2	1.5
HDG150-B-ST	PDF			150	120	10 to 1	5556	1.04	80	1389	0.08	26.84	21.59	27.05	20.29	213	2	1.5
HDG175-B-ST	PDF			175	140	5 to 1	6481	1.08	80	1620	0.08	29.59	21.59	27.05	20.29	233	2	1.5
HDG200-B-ST	PDF			200	160	10 to 1	7407	1.11	80	1852	0.09	32.34	21.59	27.05	20.29	263	4	2.5
HDG250-B-ST	PDF			250	200	10 to 1	9259	0.92	80	2315	0.07	37.84	21.59	27.05	20.29	333	4	2.5
HDG300-B-ST	PDF			300	240	10 to 1	11111	0.98	80	2778	0.07	43.34	21.59	27.05	20.29	391	4	2.5
HDG350-B-ST	PDF			350	280	10 to 1	12963	1.03	80	3241	0.08	48.84	21.59	27.05	20.29	443	4	2.5
HDG400-B-ST	PDF			400	320	10 to 1	14815	1.18	80	3704	0.09	51.59	21.59	27.05	20.29	460	4	2.5
HDG500-B-ST	PDF			500	400	10 to 1	18519	1.33	80	4630	0.1	59.84	27.59	23.99	23.35	N/a	5	3.2
HDG600-B-ST	PDF			600	480	10 to 1	22222	1.35	80	5556	0.1	70.84	27.59	23.99	23.35	N/a	5	3.2
HDG050-B-ST-X2	PDF			100	80	10 to 1	1852	0.74	160	463	0.06	18.59	43.06	27.04	20.29	208	5	3
HDG075-B-ST-X2	PDF			150	120	10 to 1	2778	1.58	160	694	0.12	18.59	43.06	27.04	20.29	208	5	3
HDG100-B-ST-X2	PDF			200	160	20 to 1	3704	1.8	160	926	0.14	18.59	43.06	27.04	20.29	294	8	5
HDG125-B-ST-X2	PDF			250	200	10 to 1	4630	1.96	160	1157	0.16	18.59	43.06	27.04	20.29	372	8	5
HDG150-B-ST-X2	PDF			300	240	20 to 1	5556	2.08	160	1389	0.16	28.78	43.06	27.04	20.29	426	8	5
HDG175-B-ST-X2	PDF			350	280	10 to 1	6481	2.16	160	1620	0.16	29.59	43.06	27.04	20.29	466	8	5
HDG200-B-ST-X2	PDF			400	320	20 to 1	7407	2.22	160	1852	0.18	32.34	43.06	27.04	20.29	526	8	5
HDG250-B-ST-X2	PDF			500	400	20 to 1	9259	1.84	160	2315	0.14	39.78	43.06	27.04	20.29	666	8	5
HDG300-B-ST-X2	PDF			600	480	20 to 1	11111	1.96	160	2778	0.14	45.28	43.06	27.04	20.29	782	8	5
HDG350-B-ST-X2	PDF			700	560	20 to 1	12963	2.06	160	3241	0.16	50.78	43.06	27.04	20.29	886	8	5
HDG400-B-ST-X2	PDF			800	640	20 to 1	14815	2.36	160	3704	0.18	53.53	43.06	27.04	20.29	920	8	5
HDG050-B-ST-X3	PDF			150	120	15 to 1	1852	1.11	240	463	0.09	18.59	64.59	27.04	20.29	312	7	4.5
HDG075-B-ST-X3	PDF			225	180	15 to 1	2778	2.37	240	694	0.18	18.59	64.59	27.04	20.29	312	7	4.5
HDG100-B-ST-X3	PDF			300	240	30 to 1	3704	2.7	240	926	0.21	18.59	64.59	27.04	20.29	441	12	7.5
HDG125-B-ST-X3	PDF			375	300	15 to 1	4630	2.94	240	1157	0.24	18.59	64.59	27.04	20.29	558	12	7.5
HDG150-B-ST-X3	PDF			450	360	30 to 1	5556	3.12	240	1389	0.24	28.78	64.59	27.04	20.29	639	12	7.5
HDG175-B-ST-X3	PDF			525	420	15 to 1	6481	3.24	240	1620	0.24	29.59	64.59	27.04	20.29	699	12	7.5
HDG200-B-ST-X3	PDF			600	480	30 to 1	7407	3.33	240	1852	0.27	32.34	64.59	27.04	20.29	789	12	7.5
HDG250-B-ST-X3	PDF			750	600	30 to 1	9259	2.76	240	2315	0.21	39.78	64.59	27.04	20.29	999	12	7.5
HDG300-B-ST-X3	PDF			900	720	30 to 1	11111	2.94	240	2778	0.21	45.28	64.59	27.04	20.29	1173	12	7.5
HDG350-B-ST-X3	PDF			1050	840	30 to 1	12963	3.09	240	3241	0.24	50.78	64.59	27.04	20.29	1329	12	7.5
HDG400-B-ST-X3	PDF			1200	960	30 to 1	14815	3.54	240	3704	0.27	53.53	64.59	27.04	20.29	1380	12	7.5

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-B-SF-X2	PDF			100	80	10 to 1	1852	0.74	160	463	0.06	24.78	43.06	27.04	20.29	208	5	3
HDG075-B-SF-X2	PDF			150	120	10 to 1	2778	1.58	160	694	0.12	24.78	43.06	27.04	20.29	208	5	3
HDG100-B-SF-X2	PDF			200	160	20 to 1	3704	1.8	160	926	0.14	24.78	43.06	27.04	20.29	294	8	5
HDG125-B-SF-X2	PDF			250	200	10 to 1	4630	1.96	160	1157	0.16	24.78	43.06	27.04	20.29	372	8	5
HDG150-B-SF-X2	PDF			300	240	20 to 1	5556	2.08	160	1389	0.16	24.78	43.06	27.04	20.29	426	8	5
HDG175-B-SF-X2	PDF			350	280	10 to 1	6481	2.16	160	1620	0.16	27.53	43.06	27.04	20.29	466	8	5
HDG200-B-SF-X2	PDF			400	320	20 to 1	7407	2.22	160	1852	0.18	30.28	43.06	27.04	20.29	526	8	5
HDG250-B-SF-X2	PDF			500	400	20 to 1	9259	1.84	160	2315	0.14	35.78	43.06	27.04	20.29	666	8	5
HDG300-B-SF-X2	PDF			600	480	20 to 1	11111	1.96	160	2778	0.14	41.28	43.06	27.04	20.29	782	8	5
HDG350-B-SF-X2	PDF			700	560	20 to 1	12963	2.06	160	3241	0.16	41.28	43.06	27.04	20.29	886	8	5
HDG400-B-SF-X2	PDF			800	640	20 to 1	14815	2.36	160	3704	0.18	49.53	43.06	27.04	20.29	920	8	5
HDG050-B-SF-X3	PDF			150	120	15 to 1	1852	1.11	240	463	0.09	24.78	64.59	27.04	20.29	312	7	4.5
HDG075-B-SF-X3	PDF			225	180	15 to 1	2778	2.37	240	694	0.18	24.78	64.59	27.04	20.29	312	7	4.5
HDG100-B-SF-X3	PDF			300	240	30 to 1	3704	2.7	240	926	0.21	24.78	64.59	27.04	20.29	441	12	7.5
HDG125-B-SF-X3	PDF			375	300	15 to 1	4630	2.94	240	1157	0.24	24.78	64.59	27.04	20.29	558	12	7.5
HDG150-B-SF-X3	PDF			450	360	30 to 1	5556	3.12	240	1389	0.24	24.78	64.59	27.04	20.29	639	12	7.5
HDG175-B-SF-X3	PDF			525	420	15 to 1	6481	3.24	240	1620	0.24	27.53	64.59	27.04	20.29	699	12	7.5
HDG200-B-SF-X3	PDF			600	480	30 to 1	7407	3.33	240	1852	0.27	30.28	64.59	27.04	20.29	789	12	7.5
HDG250-B-SF-X3	PDF			750	600	30 to 1	9259	2.76	240	2315	0.21	35.78	64.59	27.04	20.29	999	12	7.5
HDG300-B-SF-X3	PDF			900	720	30 to 1	11111	2.94	240	2778	0.21	41.28	64.59	27.04	20.29	1173	12	7.5
HDG350-B-SF-X3	PDF			1050	840	30 to 1	12963	3.09	240	3241	0.24	41.28	64.59	27.04	20.29	1329	12	7.5
HDG400-B-SF-X3	PDF			1200	960	30 to 1	14815	3.54	240	3704	0.27	49.53	64.59	27.04	20.29	1380	12	7.5

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

HDG-F Units

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-F-ST	PDF			50	40	5 to 1	1852	0.37	80	463	0.03	15.18	22.92	27.06	20.28	104	2	1.5
HDG075-F-ST	PDF			75	60	5 to 1	2778	0.79	80	694	0.06	15.18	22.92	27.06	20.28	104	2	1.5
HDG100-F-ST	PDF			100	80	10 to 1	3704	0.9	80	926	0.07	17.93	22.92	27.06	20.28	147	2	1.5
HDG125-F-ST	PDF			125	100	5 to 1	4630	0.98	80	1157	0.08	20.68	22.92	27.06	20.28	186	2	1.5
HDG150-F-ST	PDF			150	120	10 to 1	5556	1.04	80	1389	0.08	23.43	22.92	27.06	20.28	213	2	1.5
HDG175-F-ST	PDF			175	140	5 to 1	6481	1.08	80	1620	0.08	26.18	22.92	27.05	20.29	233	2	1.5
HDG200-F-ST	PDF			200	160	10 to 1	7407	1.11	80	1852	0.09	28.93	22.92	27.06	20.28	263	4	2.5
HDG250-F-ST	PDF			250	200	10 to 1	9259	0.92	80	2315	0.07	34.43	22.92	27.06	20.28	333	4	2.5
HDG300-F-ST	PDF			300	240	10 to 1	11111	0.98	80	2778	0.07	39.93	22.92	27.06	20.28	391	4	2.5
HDG350-F-ST	PDF			350	280	10 to 1	12963	1.03	80	3241	0.08	45.43	22.92	27.06	20.28	443	4	2.5
HDG400-F-ST	PDF			400	320	10 to 1	14815	1.18	80	3704	0.09	48.18	22.92	27.06	20.28	460	4	2.5
HDG050-F-ST-X2	PDF			100	80	10 to 1	1852	0.74	160	463	0.06	30.24	22.92	27.06	20.23	208	5	3
HDG075-F-ST-X2	PDF			150	120	10 to 1	2778	1.58	160	694	0.12	30.24	22.92	27.06	20.23	208	5	3
HDG100-F-ST-X2	PDF			200	160	20 to 1	3704	1.8	160	926	0.14	35.74	22.92	27.06	20.23	294	5	3
HDG125-F-ST-X2	PDF			250	200	10 to 1	4630	1.96	160	1157	0.16	41.24	22.92	27.06	20.23	372	5	3
HDG150-F-ST-X2	PDF			300	240	20 to 1	5556	2.08	160	1389	0.16	46.74	22.92	27.06	20.23	426	5	3
HDG175-F-ST-X2	PDF			350	280	10 to 1	6481	2.16	160	1620	0.16	52.24	22.92	27.06	20.23	466	5	3
HDG200-F-ST-X2	PDF			400	320	20 to 1	7407	2.22	160	1852	0.18	57.74	22.92	27.06	20.23	526	8	5
HDG250-F-ST-X2	PDF			500	400	20 to 1	9259	1.84	160	2315	0.14	68.74	22.92	27.06	20.23	666	8	5
HDG300-F-ST-X2	PDF			600	480	20 to 1	11111	1.96	160	2778	0.14	79.74	22.92	27.06	20.23	782	8	5
HDG350-F-ST-X2	PDF			700	560	20 to 1	12963	2.06	160	3241	0.16	90.74	22.92	27.06	20.23	886	8	5
HDG400-F-ST-X2	PDF			800	640	20 to 1	14815	2.36	160	3704	0.18	96.24	22.92	27.06	20.23	920	8	5
HDG050-F-ST-X3	PDF			150	120	15 to 1	1852	1.11	240	463	0.09	45.36	22.92	27.06	20.23	312	7	4.5
HDG075-F-ST-X3	PDF			225	180	15 to 1	2778	2.37	240	694	0.18	45.36	22.92	27.06	20.23	312	7	4.5
HDG100-F-ST-X3	PDF			300	240	30 to 1	3704	2.7	240	926	0.21	53.61	22.92	27.06	20.23	441	7	4.5
HDG125-F-ST-X3	PDF			375	300	15 to 1	4630	2.94	240	1157	0.24	61.86	22.92	27.06	20.23	558	7	4.5
HDG150-F-ST-X3	PDF			450	360	30 to 1	5556	3.12	240	1389	0.24	70.11	22.92	27.06	20.23	639	7	4.5
HDG175-F-ST-X3	PDF			525	420	15 to 1	6481	3.24	240	1620	0.24	78.36	22.92	27.06	20.23	699	7	4.5
HDG200-F-ST-X3	PDF			600	480	30 to 1	7407	3.33	240	1852	0.27	86.61	22.92	27.06	20.23	789	12	7.5
HDG250-F-ST-X3	PDF			750	600	30 to 1	9259	2.76	240	2315	0.21	103.11	22.92	27.06	20.23	999	12	7.5
HDG300-F-ST-X3	PDF			900	720	30 to 1	11111	2.94	240	2778	0.21	119.61	22.92	27.06	20.23	1173	12	7.5
HDG350-F-ST-X3	PDF			1050	840	30 to 1	12963	3.09	240	3241	0.24	136.11	22.92	27.06	20.23	1329	12	7.5
HDG400-F-ST-X3	PDF			1200	960	30 to 1	14815	3.54	240	3704	0.27	144.36	22.92	27.06	20.23	1380	12	7.5

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-F-SF-X2	PDF			100	80	10 to 1	1852	0.74	160	463	0.06	30.24	34.92	27.06	20.23	208	5	3
HDG075-F-SF-X2	PDF			150	120	10 to 1	2778	1.58	160	694	0.12	30.24	34.92	27.06	20.23	208	5	3
HDG100-F-SF-X2	PDF			200	160	20 to 1	3704	1.8	160	926	0.14	35.74	34.92	27.06	20.23	294	5	3
HDG125-F-SF-X2	PDF			250	200	10 to 1	4630	1.96	160	1157	0.16	41.24	34.92	27.06	20.23	372	5	3
HDG150-F-SF-X2	PDF			300	240	20 to 1	5556	2.08	160	1389	0.16	46.74	34.92	27.06	20.23	426	5	3
HDG175-F-SF-X2	PDF			350	280	10 to 1	6481	2.16	160	1620	0.16	52.24	34.92	27.06	20.23	466	5	3
HDG200-F-SF-X2	PDF			400	320	20 to 1	7407	2.22	160	1852	0.18	57.74	34.92	27.06	20.23	526	8	5
HDG250-F-SF-X2	PDF			500	400	20 to 1	9259	1.84	160	2315	0.14	68.74	34.92	27.06	20.23	666	8	5
HDG300-F-SF-X2	PDF			600	480	20 to 1	11111	1.96	160	2778	0.14	79.74	34.92	27.06	20.23	782	8	5
HDG350-F-SF-X2	PDF			700	560	20 to 1	12963	2.06	160	3241	0.16	90.74	34.92	27.06	20.23	886	8	5
HDG400-F-SF-X2	PDF			800	640	20 to 1	14815	2.36	160	3704	0.18	96.24	34.92	27.06	20.23	920	8	5
HDG050-F-SF-X3	PDF			150	120	15 to 1	1852	1.11	240	463	0.09	45.36	34.92	27.06	20.23	312	7	4.5
HDG075-F-SF-X3	PDF			225	180	15 to 1	2778	2.37	240	694	0.18	45.36	34.92	27.06	20.23	312	7	4.5
HDG100-F-SF-X3	PDF			300	240	30 to 1	3704	2.7	240	926	0.21	53.61	34.92	27.06	20.23	441	7	4.5
HDG125-F-SF-X3	PDF			375	300	15 to 1	4630	2.94	240	1157	0.24	61.86	34.92	27.06	20.23	558	7	4.5
HDG150-F-SF-X3	PDF			450	360	30 to 1	5556	3.12	240	1389	0.24	70.11	34.92	27.06	20.23	639	7	4.5
HDG175-F-SF-X3	PDF			525	420	15 to 1	6481	3.24	240	1620	0.24	78.36	34.92	27.06	20.23	699	7	4.5
HDG200-F-SF-X3	PDF			600	480	30 to 1	7407	3.33	240	1852	0.27	86.61	34.92	27.06	20.23	789	12	7.5
HDG250-F-SF-X3	PDF			750	600	30 to 1	9259	2.76	240	2315	0.21	103.11	34.92	27.06	20.23	999	12	7.5
HDG300-F-SF-X3	PDF			900	720	30 to 1	11111	2.94	240	2778	0.21	119.61	34.92	27.06	20.23	1173	12	7.5
HDG350-F-SF-X3	PDF			1050	840	30 to 1	12963	3.09	240	3241	0.24	136.11	34.92	27.06	20.23	1329	12	7.5
HDG400-F-SF-X3	PDF			1200	960	30 to 1	14815	3.54	240	3704	0.27	144.36	34.92	27.06	20.23	1380	12	7.5

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

HDG-M Units

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-M-ST	PDF			50	40	5 to 1	1852	0.01	60	617	0.01	24.98	15.18	27.05	20.29	104	2	1.5
HDG075-M-ST	PDF			75	60	5 to 1	2778	0.02	60	926	0.01	24.98	15.18	27.05	20.29	104	2	1.5
HDG100-M-ST	PDF			100	80	10 to 1	3704	0.05	60	1235	0.01	24.98	17.93	27.05	20.29	147	2	1.5
HDG125-M-ST	PDF			125	100	5 to 1	4630	0.09	60	1543	0.01	24.98	20.68	27.05	20.29	186	2	1.5
HDG150-M-ST	PDF			150	120	10 to 1	5556	0.14	60	1852	0.02	24.98	23.43	27.05	20.29	213	2	1.5
HDG175-M-ST	PDF			175	140	5 to 1	6481	0.23	60	2160	0.03	24.98	26.18	27.05	20.29	233	2	1.5
HDG200-M-ST	PDF			200	160	10 to 1	7407	0.33	60	2469	0.04	24.98	28.93	27.05	20.29	263	4	2.5
HDG250-M-ST	PDF			250	200	10 to 1	9259	0.54	60	3086	0.07	24.98	34.43	27.05	20.29	333	4	2.5
HDG300-M-ST	PDF			300	240	10 to 1	11111	0.91	60	3704	0.12	24.98	39.93	27.05	20.29	391	4	2.5
HDG350-M-ST	PDF			350	280	10 to 1	12963	1.42	60	4321	0.19	24.98	45.43	27.05	20.29	443	4	2.5
HDG400-M-ST	PDF			400	320	10 to 1	14815	1.95	60	4938	0.25	24.98	48.18	27.05	20.29	460	4	2.5
HDG050-M-ST-X2	PDF			100	80	10 to 1	1852	0.02	120	617	0.02	22.92	30.24	27.04	20.29	208	5	3
HDG075-M-ST-X2	PDF			150	120	10 to 1	2778	0.04	120	926	0.02	22.92	30.24	27.04	20.29	208	5	3
HDG100-M-ST-X2	PDF			200	160	20 to 1	3704	0.1	120	1235	0.02	22.92	35.74	27.04	20.29	294	5	3
HDG125-M-ST-X2	PDF			250	200	10 to 1	4630	0.18	120	1543	0.02	22.92	41.24	27.04	20.29	372	5	3
HDG150-M-ST-X2	PDF			300	240	20 to 1	5556	0.28	120	1852	0.04	22.92	46.74	27.04	20.29	426	5	3
HDG175-M-ST-X2	PDF			350	280	10 to 1	6481	0.46	120	2160	0.06	22.92	52.24	27.04	20.29	466	5	3
HDG200-M-ST-X2	PDF			400	320	20 to 1	7407	0.66	120	2469	0.08	22.92	57.74	27.04	20.29	526	8	5
HDG250-M-ST-X2	PDF			500	400	20 to 1	9259	1.08	120	3086	0.14	22.92	68.74	27.04	20.29	666	8	5
HDG300-M-ST-X2	PDF			600	480	20 to 1	11111	1.82	120	3704	0.24	22.92	79.74	27.04	20.29	782	8	5
HDG350-M-ST-X2	PDF			700	560	20 to 1	12963	2.84	120	4321	0.38	22.92	90.74	27.04	20.29	886	8	5
HDG400-M-ST-X2	PDF			800	640	20 to 1	14815	3.9	120	4938	0.5	22.92	96.24	27.04	20.29	920	8	5
HDG050-M-ST-X3	PDF			150	120	15 to 1	1852	0.03	180	617	0.03	22.92	45.36	27.04	20.29	312	7	4.5
HDG075-M-ST-X3	PDF			225	180	15 to 1	2778	0.06	180	926	0.03	22.92	45.36	27.04	20.29	312	7	4.5
HDG100-M-ST-X3	PDF			300	240	30 to 1	3704	0.15	180	1235	0.03	22.92	53.61	27.04	20.29	441	7	4.5
HDG125-M-ST-X3	PDF			375	300	15 to 1	4630	0.27	180	1543	0.03	22.92	61.86	27.04	20.29	558	7	4.5
HDG150-M-ST-X3	PDF			450	360	30 to 1	5556	0.42	180	1852	0.06	22.92	70.11	27.04	20.29	639	7	4.5
HDG175-M-ST-X3	PDF			525	420	15 to 1	6481	0.69	180	2160	0.09	22.92	78.36	27.04	20.29	699	7	4.5
HDG200-M-ST-X3	PDF			600	480	30 to 1	7407	0.99	180	2469	0.12	22.92	86.61	27.04	20.29	789	12	7.5
HDG250-M-ST-X3	PDF			750	600	30 to 1	9259	1.62	180	3086	0.21	22.92	103.11	27.04	20.29	999	12	7.5
HDG300-M-ST-X3	PDF			900	720	30 to 1	11111	2.73	180	3704	0.36	22.92	119.61	27.04	20.29	1173	12	7.5
HDG350-M-ST-X3	PDF			1050	840	30 to 1	12963	4.26	180	4321	0.57	22.92	136.11	27.04	20.29	1329	12	7.5
HDG400-M-ST-X3	PDF			1200	960	30 to 1	14815	5.85	180	4938	0.75	22.92	144.36	27.04	20.29	1380	12	7.5

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-M-SF-X2	PDF			100	80	10 to 1	1852	0.02	120	617	0.02	36.98	30.24	27.04	20.29	208	5	3
HDG075-M-SF-X2	PDF			150	120	10 to 1	2778	0.04	120	926	0.02	36.98	30.24	27.04	20.29	208	5	3
HDG100-M-SF-X2	PDF			200	160	20 to 1	3704	0.1	120	1235	0.02	34.92	35.74	27.04	20.29	294	5	3
HDG125-M-SF-X2	PDF			250	200	10 to 1	4630	0.18	120	1543	0.02	34.92	41.24	27.04	20.29	372	5	3
HDG150-M-SF-X2	PDF			300	240	20 to 1	5556	0.28	120	1852	0.04	34.92	46.74	27.04	20.29	426	5	3
HDG175-M-SF-X2	PDF			350	280	10 to 1	6481	0.46	120	2160	0.06	34.92	52.24	27.04	20.29	466	5	3
HDG200-M-SF-X2	PDF			400	320	20 to 1	7407	0.66	120	2469	0.08	34.92	57.74	27.04	20.29	526	8	5
HDG250-M-SF-X2	PDF			500	400	20 to 1	9259	1.08	120	3086	0.14	34.92	68.74	27.04	20.29	666	8	5
HDG300-M-SF-X2	PDF			600	480	20 to 1	11111	1.82	120	3704	0.24	34.92	79.74	27.04	20.29	782	8	5
HDG350-M-SF-X2	PDF			700	560	20 to 1	12963	2.84	120	4321	0.38	34.92	90.74	27.04	20.29	886	8	5
HDG400-M-SF-X2	PDF			800	640	20 to 1	14815	3.9	120	4938	0.5	34.92	96.24	27.04	20.29	920	8	5
HDG050-M-SF-X3	PDF			150	120	15 to 1	1852	0.03	180	617	0.03	36.98	45.36	27.04	20.29	312	7	4.5
HDG075-M-SF-X3	PDF			225	180	15 to 1	2778	0.06	180	926	0.03	36.98	45.36	27.04	20.29	312	7	4.5
HDG100-M-SF-X3	PDF			300	240	30 to 1	3704	0.15	180	1235	0.03	34.92	53.61	27.04	20.29	441	7	4.5
HDG125-M-SF-X3	PDF			375	300	15 to 1	4630	0.27	180	1543	0.03	34.92	61.86	27.04	20.29	558	7	4.5
HDG150-M-SF-X3	PDF			450	360	30 to 1	5556	0.42	180	1852	0.06	34.92	70.11	27.04	20.29	639	7	4.5
HDG175-M-SF-X3	PDF			525	420	15 to 1	6481	0.69	180	2160	0.09	34.92	78.36	27.04	20.29	699	7	4.5
HDG200-M-SF-X3	PDF			600	480	30 to 1	7407	0.99	180	2469	0.12	34.92	86.61	27.04	20.29	789	12	7.5
HDG250-M-SF-X3	PDF			750	600	30 to 1	9259	1.62	180	3086	0.21	34.92	103.11	27.04	20.29	999	12	7.5
HDG300-M-SF-X3	PDF			900	720	30 to 1	11111	2.73	180	3704	0.36	34.92	119.61	27.04	20.29	1173	12	7.5
HDG350-M-SF-X3	PDF			1050	840	30 to 1	12963	4.26	180	4321	0.57	34.92	136.11	27.04	20.29	1329	12	7.5
HDG400-M-SF-X3	PDF			1200	960	30 to 1	14815	5.85	180	4938	0.75	34.92	144.36	27.04	20.29	1380	12	7.5

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

HDG-I Units

Application Guidelines Product Specification Product Manual Submittal / Order Information

Model Number	PDF			Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-I-ST	PDF			50	40	5 to 1	1852	0.01	60	617	0.01	21.59	16.53	27.06	20.28	104	2	1.5
HDG075-I-ST	PDF			75	60	5 to 1	2778	0.02	60	926	0.01	21.59	16.53	27.06	20.28	104	2	1.5
HDG100-I-ST	PDF			100	80	5 to 1	3704	0.05	60	1235	0.01	21.59	19.28	27.06	20.28	147	2	1.5
HDG125-I-ST	PDF			125	100	5 to 1	4630	0.09	60	1543	0.01	21.59	22.03	27.06	20.28	186	2	1.5
HDG150-I-ST	PDF			150	120	10 to 1	5556	0.14	60	1852	0.02	21.59	24.78	27.06	20.28	213	2	1.5
HDG175-I-ST	PDF			175	140	5 to 1	6481	0.23	60	2160	0.03	21.59	27.53	27.06	20.28	233	2	1.5
HDG200-I-ST	PDF			200	160	10 to 1	7407	0.33	60	2469	0.04	21.59	30.28	27.06	20.28	263	4	2.5
HDG250-I-ST	PDF			250	200	10 to 1	9259	0.54	60	3086	0.07	21.59	35.78	27.06	20.28	333	4	2.5
HDG300-I-ST	PDF			300	240	10 to 1	11111	0.91	60	3704	0.12	21.59	41.28	27.06	20.28	391	4	2.5
HDG350-I-ST	PDF			350	280	10 to 1	12963	1.42	60	4321	0.19	21.59	46.78	27.06	20.28	443	4	2.5
HDG400-I-ST	PDF			400	320	10 to 1	14815	1.95	60	4938	0.25	21.59	49.53	27.06	20.28	460	4	2.5
HDG050-I-ST-X2	PDF			100	80	10 to 1	1852	0.02	120	617	0.02	43.06	17.46	27.06	20.28	208	5	3
HDG075-I-ST-X2	PDF			150	120	10 to 1	2778	0.04	120	926	0.02	43.06	17.46	27.06	20.28	208	5	3
HDG100-I-ST-X2	PDF			200	160	10 to 1	3704	0.1	120	1235	0.02	43.06	20.21	27.06	20.28	294	5	3
HDG125-I-ST-X2	PDF			250	200	10 to 1	4630	0.18	120	1543	0.02	43.06	22.95	27.06	20.28	372	5	3
HDG150-I-ST-X2	PDF			300	240	20 to 1	5556	0.28	120	1852	0.04	43.06	24.78	27.06	20.28	426	5	3
HDG175-I-ST-X2	PDF			350	280	10 to 1	6481	0.46	120	2160	0.06	43.06	27.53	27.06	20.28	466	5	3
HDG200-I-ST-X2	PDF			400	320	20 to 1	7407	0.66	120	2469	0.08	43.06	30.28	27.06	20.28	526	8	5
HDG250-I-ST-X2	PDF			500	400	20 to 1	9259	1.08	120	3086	0.14	43.06	35.78	27.06	20.28	666	8	5
HDG300-I-ST-X2	PDF			600	480	20 to 1	11111	1.82	120	3704	0.24	43.06	41.28	27.06	20.28	782	8	5
HDG350-I-ST-X2	PDF			700	560	20 to 1	12963	2.84	120	4321	0.38	43.06	46.78	27.06	20.28	886	8	5
HDG400-I-ST-X2	PDF			800	640	20 to 1	14815	3.9	120	4938	0.5	43.06	49.53	27.06	20.28	920	8	5
HDG050-I-ST-X3	PDF			150	120	15 to 1	1852	0.03	180	617	0.03	64.59	17.46	27.06	20.28	312	7	4.5
HDG075-I-ST-X3	PDF			225	180	15 to 1	2778	0.06	180	926	0.03	64.59	17.46	27.06	20.28	312	7	4.5
HDG100-I-ST-X3	PDF			300	240	15 to 1	3704	0.15	180	1235	0.03	64.59	20.21	27.06	20.28	441	7	4.5
HDG125-I-ST-X3	PDF			375	300	15 to 1	4630	0.27	180	1543	0.03	64.59	22.95	27.06	20.28	558	7	4.5
HDG150-I-ST-X3	PDF			450	360	30 to 1	5556	0.42	180	1852	0.06	64.59	24.78	27.06	20.28	639	7	4.5
HDG175-I-ST-X3	PDF			525	420	15 to 1	6481	0.69	180	2160	0.09	64.59	27.53	27.06	20.28	699	7	4.5
HDG200-I-ST-X3	PDF			600	480	30 to 1	7407	0.99	180	2469	0.12	64.59	30.28	27.06	20.28	789	12	7.5
HDG250-I-ST-X3	PDF			750	600	30 to 1	9259	1.62	180	3086	0.21	64.59	35.78	27.06	20.28	999	12	7.5
HDG300-I-ST-X3	PDF			900	720	30 to 1	11111	2.73	180	3704	0.36	64.59	41.28	27.06	20.28	1173	12	7.5
HDG350-I-ST-X3	PDF			1050	840	30 to 1	12963	4.26	180	4321	0.57	64.59	46.78	27.06	20.28	1329	12	7.5
HDG400-I-ST-X3	PDF			1200	960	30 to 1	14815	5.85	180	4938	0.75	64.59	49.53	27.06	20.28	1380	12	7.5

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 Rise	Max APD @ Min Rise	Max Temp Rise	Min CFM Rise	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDG050-I-SF-X2	PDF			100	80	10 to 1	1852	0.02	120	617	0.02	43.06	24.78	27.06	20.28	208	5	3
HDG075-I-SF-X2	PDF			150	120	10 to 1	2778	0.04	120	926	0.02	43.06	24.78	27.06	20.28	208	5	3
HDG100-I-SF-X2	PDF			200	160	10 to 1	3704	0.1	120	1235	0.02	43.06	24.78	27.06	20.28	294	5	3
HDG125-I-SF-X2	PDF			250	200	10 to 1	4630	0.18	120	1543	0.02	43.06	24.78	27.06	20.28	372	5	3
HDG150-I-SF-X2	PDF			300	240	20 to 1	5556	0.28	120	1852	0.04	43.06	24.78	27.06	20.28	426	5	3
HDG175-I-SF-X2	PDF			350	280	10 to 1	6481	0.46	120	2160	0.06	43.06	27.53	27.06	20.28	466	5	3
HDG200-I-SF-X2	PDF			400	320	20 to 1	7407	0.66	120	2469	0.08	43.06	30.28	27.06	20.28	526	8	5
HDG250-I-SF-X2	PDF			500	400	20 to 1	9259	1.08	120	3086	0.14	43.06	35.78	27.06	20.28	666	8	5
HDG300-I-SF-X2	PDF			600	480	20 to 1	11111	1.82	120	3704	0.24	43.06	41.28	27.06	20.28	782	8	5
HDG350-I-SF-X2	PDF			700	560	20 to 1	12963	2.84	120	4321	0.38	43.06	46.78	27.06	20.28	886	8	5
HDG400-I-SF-X2	PDF			800	640	20 to 1	14815	3.9	120	4938	0.5	43.06	49.53	27.06	20.28	920	8	5
HDG050-I-SF-X3	PDF			150	120	15 to 1	1852	0.03	180	617	0.03	64.59	24.78	27.06	20.28	312	7	4.5
HDG075-I-SF-X3	PDF			225	180	15 to 1	2778	0.06	180	926	0.03	64.59	24.78	27.06	20.28	312	7	4.5
HDG100-I-SF-X3	PDF			300	240	15 to 1	3704	0.15	180	1235	0.03	64.59	24.78	27.06	20.28	441	7	4.5
HDG125-I-SF-X3	PDF			375	300	15 to 1	4630	0.27	180	1543	0.03	64.59	24.78	27.06	20.28	558	7	4.5
HDG150-I-SF-X3	PDF			450	360	30 to 1	5556	0.42	180	1852	0.06	64.59	24.78	27.06	20.28	639	7	4.5
HDG175-I-SF-X3	PDF			525	420	15 to 1	6481	0.69	180	2160	0.09	64.59	27.53	27.06	20.28	699	7	4.5
HDG200-I-SF-X3	PDF			600	480	30 to 1	7407	0.99	180	2469	0.12	64.59	30.28	27.06	20.28	789	12	7.5
HDG250-I-SF-X3	PDF			750	600	30 to 1	9259	1.62	180	3086	0.21	64.59	35.78	27.06	20.28	999	12	7.5
HDG300-I-SF-X3	PDF			900	720	30 to 1	11111	2.73	180	3704	0.36	64.59	41.28	27.06	20.28	1173	12	7.5
HDG350-I-SF-X3	PDF			1050	840	30 to 1	12963	4.26	180	4321	0.57	64.59	46.78	27.06	20.28	1329	12	7.5
HDG400-I-SF-X3	PDF			1200	960	30 to 1	14815	5.85	180	4938	0.75	64.59	49.53	27.06	20.28	1380	12	7.5

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