HD Style CW Units

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

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HDA-B-CW – Horizontal Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	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-CW	PDF			200	160	10 to 1	7407	0.67	100	1481	0.03	21.98	31.83	45.77	19.18	220	4	2.5
HDA250-B-CW	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-CW (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-CW	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-CW	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-CW (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-CW	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-CW	PDF			500	400	10 to 1	18519	1.38	100	3704	0.07	42	31.83	45.77	19.12	456	5
HDA600-B-CW	PDF			600	480	10 to 1	22222	1.52	100	4444	0.08	48	31.83	45.77	19.12	496	5
HDA150-B-CW-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-CW-X2	PDF			400	320	20 to 1	7408	1.34	200	1481	0.06	21.98	61.81	45.77	19.18	463	8	5
HDA250-B-CW-X2	PDF			500	400	10 to 1	9260	1.66	200	1852	0.08	25.23	61.81	45.77	19.18	536	8	5
HDA250-B-CW-X2 (6)	PDF			500	400	20 to 1	9260	1.38	200	1852	0.06	25.23	61.81	45.77	19.18	556	8	5
HDA300-B-CW-X2	PDF			600	480	20 to 1	11111	1.92	200	2222	0.1	28.48	63.66	45.77	19.18	556	8	5
HDA350-B-CW-X2	PDF			700	560	10 to 1	12963	2.18	200	2593	0.12	31.73	63.66	45.77	19.18	635	8	5
HDA350-B-CW-X2 (8)	PDF			700	560	20 to 1	12963	1.86	200	2593	0.1	31.73	61.81	45.77	19.18	877	8	5
HDA400-B-CW-X2	PDF			800	640	20 to 1	14815	2.4	200	2963	0.12	34.98	63.66	45.77	19.18	877	8	5
HDA500-B-CW-X2	PDF			1000	800	20 to 1	18518	2.76	200	3704	0.14	42	63.66	45.77	19.12	960	10
HDA600-B-CW-X2	PDF			1200	960	20 to 1	22222	3.04	200	4444	0.16	48	63.66	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.

HDA-F-CW – Vertical Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	PDF			150	120	10 to 1	5556	0.39	100	1111	0.02	22.67	42.42	45.77	19.18	210	4	2.5
HDA200-F-CW	PDF			200	160	10 to 1	7407	0.67	100	1481	0.03	22.67	42.42	45.75	19.16	220	4	2.5
HDA250-F-CW	PDF			250	200	5 to 1	9259	0.83	100	1852	0.04	25.92	42.42	45.75	19.16	250	4	2.5
HDA250-F-CW (6)	PDF			250	200	10 to 1	9259	0.69	100	1852	0.03	29.17	42.42	45.78	19.19	264	4	2.5
HDA300-F-CW	PDF			300	240	10 to 1	11111	0.96	100	2222	0.05	29.17	42.42	45.75	19.16	264	4	2.5
HDA350-F-CW	PDF			350	280	5 to 1	12963	1.09	100	2593	0.06	32.42	42.42	45.75	19.16	370	4	2.5
HDA350-F-CW (8)	PDF			350	280	10 to 1	12963	0.93	100	2593	0.05	35.67	42.42	45.78	19.19	417	4	2.5
HDA400-F-CW	PDF			400	320	10 to 1	14815	1.2	100	2963	0.06	35.67	42.42	45.75	19.16	417	4	2.5
HDA500-F-CW	PDF			500	400	10 to 1	18519	1.38	100	3704	0.07	42.17	42.42	45.81	19.1	456	5
HDA600-F-CW	PDF			600	480	10 to 1	22222	1.52	100	4444	0.08	48.67	42.42	45.81	19.1	496	5

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

HDA-M-CW – Horizontal Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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
HDA150-M-CW	PDF			150	120	10 to 1	5556	0.02	60	1852	0.01	42.42	22.67	45.77	19.18	210	4
HDA200-M-CW	PDF			200	160	10 to 1	7407	0.03	60	2469	0.01	42.42	22.67	45.78	19.13	220	4
HDA250-M-CW	PDF			250	200	5 to 1	9259	0.06	60	3086	0.01	42.42	25.92	45.75	19.16	250	4
HDA250-M-CW (6)	PDF			250	200	10 to 1	9259	0.08	60	3086	0.01	42.42	29.17	45.75	19.16	264	4
HDA150-M-CW-X2	PDF			300	240	10 to 1	5556	0.04	120	1852	0.02	42.42	43.49	45.78	19.2	463	8
HDA300-M-CW	PDF			300	240	10 to 1	11111	0.11	60	3704	0.01	42.42	29.17	45.75	19.16	264	4
HDA350-M-CW	PDF			350	280	5 to 1	12963	0.17	60	4321	0.02	42.42	32.42	45.75	19.16	370	4
HDA350-M-CW (8)	PDF			350	280	10 to 1	12963	0.19	60	4321	0.03	42.42	35.67	45.75	19.16	417	4
HDA200-M-CW-X2	PDF			400	320	20 to 1	7407	0.06	120	2469	0.02	42.42	43.49	45.78	19.2	463	8
HDA400-M-CW	PDF			400	320	10 to 1	14815	0.25	60	4938	0.03	42.42	35.67	45.75	19.16	417	4
HDA250-M-CW-X2	PDF			500	400	10 to 1	9259	0.12	120	3086	0.02	42.42	49.99	45.78	19.2	536	8
HDA250-M-CW-X2 (6)	PDF			500	400	20 to 1	9259	0.12	120	3086	0.02	42.42	56.49	45.78	19.2	556	8
HDA500-M-CW	PDF			500	400	10 to 1	18519	0.47	60	6173	0.06	42.42	42.17	45.81	19.1	456	5
HDA300-M-CW-X2	PDF			600	480	20 to 1	11111	0.22	120	3704	0.02	42.42	56.49	45.78	19.2	556	8
HDA600-M-CW	PDF			600	480	10 to 1	22222	0.79	60	7407	0.1	42.42	48.67	45.81	19.1	496	5
HDA350-M-CW-X2	PDF			700	560	10 to 1	12963	0.34	120	4321	0.04	42.42	62.99	45.78	19.2	635	8
HDA350-M-CW-X2 (8)	PDF			700	560	20 to 1	12963	0.34	120	4321	0.04	42.42	69.49	45.78	19.2	877	8
HDA400-M-CW-X2	PDF			800	640	20 to 1	14815	0.5	120	4938	0.06	42.42	69.49	45.78	19.2	877	8
HDA500-M-CW-X2	PDF			1000	800	20 to 1	18519	0.94	120	6173	0.12	42.42	82.49	45.78	19.2	960	10
HDA600-M-CW-X2	PDF			1200	960	20 to 1	22222	1.58	120	7407	0.2	42.42	95.49	45.78	19.2	1032	10

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

HDA-I-CW – Vertical Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	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-CW	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-CW	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-CW (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-CW	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-CW	PDF		N/A	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-CW (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-CW	PDF		N/A	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-CW	PDF		N/A	500	400	10 to 1	18519	0.47	60	6173	0.06	30.08	40	45.77	19.12	456	5
HDA600-I-CW	PDF		N/A	600	480	10 to 1	22222	0.79	60	7407	0.1	30.08	46	45.77	19.12	496	5

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

HDB-B-CW – Horizontal Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	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-CW	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
HDB250-B-CW (6)	PDF			250	200	10 to 1	9259	0.32	90	2058	0.02	30.01	20.98	76.04	19.18	265	4	2.5
HDB300-B-CW	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-CW	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
HDB350-B-CW (8)	PDF			350	280	10 to 1	12963	0.4	90	2881	0.02	36.51	20.98	76.04	19.18	385	4	2.5
HDB400-B-CW	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-CW	PDF			500	400	10 to 1	18519	0.57	75	4938	0.05	43.01	25.61	76.04	19.18	460	5	N/a
HDB600-B-CW	PDF			600	480	10 to 1	22222	0.61	75	5926	0.05	49.51	25.61	76.04	19.18	490	5	N/a
HDB180-B-CW-X2	PDF			360	288	20 to 1	6666.5	0.56	180	1481	0.04	30.01	40.11	76.04	19.18	351	8	5
HDB200-B-CW-X2	PDF			400	320	20 to 1	7407.5	0.68	180	1646	0.04	30.01	40.11	76.04	19.18	351	8	5
HDB250-B-CW-X2	PDF			500	400	10 to 1	9259.5	0.78	180	2058	0.04	30.01	40.11	76.04	19.18	436	8	5
HDB250-B-CW-X2 (6)	PDF			500	400	20 to 1	9260	0.64	180	2058	0.04	30.01	40.11	76.04	19.18	563	8	5
HDB300-B-CW-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-CW-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
HDB350-B-CW-X2 (8)	PDF			700	560	20 to 1	12963	0.8	180	2881	0.04	36.51	40.11	76.04	19.18	822	8	5
HDB400-B-CW-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-CW-X2	PDF			1000	800	20 to 1	18518.5	1.14	150	4938	0.1	43.01	49.37	76.04	19.18	1007	10	N/a
HDB600-B-CW-X2	PDF			1200	960	20 to 1	22222	1.22	150	5926	0.1	49.51	49.37	76.04	19.18	1042	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-F-CW – Vertical Airflow

Images coming soon!

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	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-CW	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
HDB250-F-CW (6)	PDF			250	200	10 to 1	9259	0.32	90	2058	0.02	30.58	35.95	76.07	19.19	265	4	2.5
HDB300-F-CW	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-CW	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
HDB350-F-CW (8)	PDF			350	280	10 to 1	12963	0.4	90	2881	0.02	37.08	35.95	76.01	19.19	385	4	2.5
HDB400-F-CW	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-CW	PDF			500	400	10 to 1	18519	0.57	75	4938	0.05	41.83	43.02	76.01	19.19	460	5	N/a
HDB600-F-CW	PDF			600	480	10 to 1	22222	0.61	75	5926	0.05	48.33	43.02	76.01	19.19	490	5	N/a

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

HDG-B-CW – Horizontal Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	PDF			50	40	5 to 1	1852	0.37	80	463	0.03	24.78	21.59	28.03	19.2	76	2.4	1.5
HDG075-B-CW	PDF			75	60	5 to 1	2778	0.79	80	694	0.06	24.78	21.59	28.03	19.2	76	2.4	1.5
HDG100-B-CW	PDF			100	80	10 to 1	3704	0.9	80	926	0.07	24.78	21.59	28.03	19.2	110	2.4	1.5
HDG125-B-CW	PDF			125	100	5 to 1	4630	0.98	80	1157	0.08	24.78	21.59	28.03	19.2	140	2.4	1.5
HDG150-B-CW	PDF			150	120	10 to 1	5556	1.04	80	1389	0.08	24.78	21.59	28.03	19.2	157	2.4	1.5
HDG175-B-CW	PDF			175	140	5 to 1	6481	1.08	80	1620	0.08	27.53	21.59	28.03	19.2	168	2.4	1.5
HDG200-B-CW	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-CW	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-CW	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-CW	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-CW	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-CW	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-CW	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-CW-X2	PDF			100	80	10 to 1	1852	0.74	160	463	0.06	24.78	43.06	28.03	19.2	110	5	3
HDG075-B-CW-X2	PDF			150	120	10 to 1	2778	1.58	160	694	0.12	24.78	43.06	28.03	19.2	152	5	3
HDG100-B-CW-X2	PDF			200	160	20 to 1	3704	1.8	160	926	0.14	24.78	43.06	28.03	19.2	220	8	5
HDG125-B-CW-X2	PDF			250	200	10 to 1	4630	1.96	160	1157	0.16	24.78	43.06	28.03	19.2	280	8	5
HDG150-B-CW-X2	PDF			300	240	20 to 1	5556	2.08	160	1389	0.16	24.78	43.06	28.03	19.2	314	8	5
HDG175-B-CW-X2	PDF			350	280	10 to 1	6482	2.16	160	1620	0.16	27.53	43.06	28.03	19.2	336	8	5
HDG200-B-CW-X2	PDF			400	320	20 to 1	7408	2.22	160	1852	0.18	30.28	43.06	28.03	19.2	376	8	5
HDG250-B-CW-X2	PDF			500	400	20 to 1	9260	1.84	160	2315	0.14	35.78	43.06	28.03	19.2	480	8	5
HDG300-B-CW-X2	PDF			600	480	20 to 1	11111	1.96	160	2778	0.14	41.28	43.06	28.03	19.2	558	8	5
HDG350-B-CW-X2	PDF			700	560	20 to 1	12963	2.06	160	3241	0.16	46.78	43.06	28.03	19.2	624	8	5
HDG400-B-CW-X2	PDF			800	640	20 to 1	14815	2.36	160	3704	0.18	49.53	43.06	28.03	19.2	640	8	5

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

HDG-F-CW – Vertical Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	PDF			50	40	5 to 1	1852	0.37	80	463	0.03	15.18	34.92	28.03	19.2	76	2.4	1.5
HDG075-F-CW	PDF			75	60	5 to 1	2778	0.79	80	694	0.06	15.18	34.92	28.03	19.2	76	2.4	1.5
HDG100-F-CW	PDF			100	80	10 to 1	3704	0.9	80	926	0.07	17.93	34.92	28.03	19.2	110	2.4	1.5
HDG125-F-CW	PDF			125	100	5 to 1	4630	0.98	80	1157	0.08	20.68	34.92	28.03	19.2	140	2.4	1.5
HDG150-F-CW	PDF			150	120	10 to 1	5556	1.04	80	1389	0.08	23.43	34.92	28.03	19.2	157	2.4	1.5
HDG175-F-CW	PDF			175	140	5 to 1	6481	1.08	80	1620	0.08	26.18	34.92	28.03	19.2	168	2.4	1.5
HDG200-F-CW	PDF			200	160	10 to 1	7407	1.11	80	1852	0.09	28.93	34.92	28.03	19.2	188	4	2.5
HDG250-F-CW	PDF			250	200	10 to 1	9259	0.92	80	2315	0.07	34.43	34.92	28.03	19.2	240	4	2.5
HDG300-F-CW	PDF			300	240	10 to 1	11111	0.98	80	2778	0.07	39.93	34.92	28.03	19.2	279	4	2.5
HDG350-F-CW	PDF			350	280	10 to 1	12963	1.03	80	3241	0.08	45.43	34.92	28.03	19.2	312	4	2.5
HDG400-F-CW	PDF			400	320	10 to 1	14815	1.18	80	3704	0.09	48.18	34.92	28.03	19.2	320	4	2.5

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

HDG-M-CW – Horizontal Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	PDF			50	40	5 to 1	1852	0.01	60	617	0.01	34.92	15.18	28.03	19.2	76	2.4	1.5
HDG075-M-CW	PDF			75	60	5 to 1	2778	0.02	60	926	0.01	34.92	15.18	28.03	19.2	76	2.4	1.5
HDG100-M-CW	PDF			100	80	10 to 1	3704	0.05	60	1235	0.01	34.92	17.93	28.03	19.2	110	2.4	1.5
HDG125-M-CW	PDF			125	100	5 to 1	4630	0.09	60	1543	0.01	34.92	20.68	28.03	19.2	140	2.4	1.5
HDG150-M-CW	PDF			150	120	10 to 1	5556	0.14	60	1852	0.02	34.92	23.43	28.03	19.2	157	2.4	1.5
HDG175-M-CW	PDF			175	140	5 to 1	6481	0.23	60	2160	0.03	34.92	26.18	28.03	19.2	168	2.4	1.5
HDG200-M-CW	PDF			200	160	10 to 1	7407	0.33	60	2469	0.04	34.92	28.93	28.03	19.2	188	4	2.5
HDG250-M-CW	PDF			250	200	10 to 1	9259	0.54	60	3086	0.07	34.92	34.43	28.03	19.2	240	4	2.5
HDG300-M-CW	PDF			300	240	10 to 1	11111	0.91	60	3704	0.12	34.92	39.93	28.03	19.2	279	4	2.5
HDG350-M-CW	PDF			350	280	10 to 1	12963	1.42	60	4321	0.19	34.92	45.43	28.03	19.2	312	4	2.5
HDG400-M-CW	PDF			400	320	10 to 1	14815	1.95	60	4938	0.25	34.92	48.18	28.03	19.2	320	4	2.5

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

HDG-I-CW – Vertical Airflow

Application Guidelines Product Specification Product Manual OEM Instructions 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-CW	PDF			50	40	5 to 1	1852	0.01	60	617	0.01	21.59	24.78	28.06	19.2	76	2.4	1.5
HDG075-I-CW	PDF			75	60	5 to 1	2778	0.02	60	926	0.01	21.59	24.78	28.06	19.2	76	2.4	1.5
HDG100-I-CW	PDF			100	80	10 to 1	3704	0.05	60	1235	0.01	21.59	24.78	28.06	19.2	110	2.4	1.5
HDG125-I-CW	PDF			125	100	5 to 1	4630	0.09	60	1543	0.01	21.59	24.78	28.06	19.2	140	2.4	1.5
HDG150-I-CW	PDF			150	120	10 to 1	5556	0.14	60	1852	0.02	21.59	24.78	28.06	19.2	157	2.4	1.5
HDG175-I-CW	PDF			175	140	5 to 1	6481	0.23	60	2160	0.03	21.59	27.53	28.06	19.2	168	2.4	1.5
HDG200-I-CW	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-CW	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-CW	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-CW	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-CW	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

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