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HD Style S Units

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

HDA-B-S – Horizontal Airflow

Application Guidelines Product Specification Product Manual Submittal / Order Information

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	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-S	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-S	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-S (6)	PDF			250	200	5 to 1	9259	0.69	100	1852	0.03	25.24	30.6	43	21.98	278	4	2.5
HDA300-B-S	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-S	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-S (8)	PDF			350	280	5 to 1	12963	0.93	100	2593	0.05	31.74	30.6	43	21.98	439	4	2.5
HDA400-B-S	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-S	PDF			500	400	10 to 1	18519	1.38	100	3704	0.07	41.49	30.6	43	21.98	480	5
HDA600-B-S	PDF			600	480	10 to 1	22222	1.52	100	4444	0.08	47.99	30.6	43	21.98	522	5

Note: 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

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	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-S	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-S	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-S (6)	PDF			250	200	5 to 1	9259	0.69	100	1852	0.03	27.43	41.49	42.84	22.25	278	4	2.5
HDA300-F-S	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-S	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-S (8)	PDF			350	280	5 to 1	12963	0.93	100	2593	0.05	33.93	41.49	42.84	22.25	439	4	2.5
HDA400-F-S	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-S	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-S	PDF			600	480	10 to 1	22222	1.52	100	4444	0.08	47.44	31.39	42.84	22.76	522	5

Note: 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

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	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-S	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-S	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-S (6)	PDF			250	200	5 to 1	9259	0.08	60	3086	0.01	31.39	24.69	43	22.03	278	4	2.5
HDA300-M-S	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-S	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-S (8)	PDF			350	280	5 to 1	12963	0.19	60	4321	0.03	31.39	31.19	43	22.03	439	4	2.5
HDA400-M-S	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-S	PDF			500	400	10 to 1	18519	0.47	60	6173	0.06	31.39	40.94	43	22.03	480	5
HDA600-M-S	PDF			600	480	10 to 1	22222	0.79	60	7407	0.1	31.39	47.44	43	22.03	522	5
HDA150-M-S-X2	PDF			300	240	10 to 1	5556	0.04	120	1852	0.02	32.32	41.74	45.78	19.2	463	8	5
HDA200-M-S-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-S-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-S-X2 (6)	PDF			500	400	10 to 1	9259	0.16	120	3086	0.01	31.39	48.24	43	22.03	585	8	5
HDA300-M-S-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-S-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-S-X2 (8)	PDF			700	560	10 to 1	12963	0.38	120	4321	0.05	31.39	61.24	43	22.03	923	8	5
HDA400-M-S-X2	PDF			800	640	20 to 1	14815	0.5	120	4938	0.06	31.39	67.74	43	22.03	923	8	5
HDA500-M-S-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-S-X2	PDF			1200	960	20 to 1	22222	1.58	120	7407	0.2	31.39	93.74	43	22.03	1086	10

Note: 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

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	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-S	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-S	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-S (6)	PDF			250	200	5 to 1	9259	0.08	60	3086	0.01	30.09	28.49	42.84	22.25	278	4	2.5
HDA300-I-S	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-S	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-S (8)	PDF			350	280	5 to 1	12963	0.19	60	4321	0.03	30.09	34.99	42.84	22.25	439	4	2.5
HDA400-I-S	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-S	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-S	PDF			600	480	10 to 1	22222	0.79	60	7407	0.1	29.98	47.99	42.84	22.76	522	5

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

HDB-B/F Units

Images coming soon!

Application Guidelines Product Specification Product Manual Submittal / Order Information

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	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-S	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-S (6)	PDF			250	200	5 to 1	9259	0.32	90	2058	0.02	32.05	19.24	74.18	22.09	279	4	2.5
HDB300-B-S	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-S	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-S (8)	PDF			350	280	5 to 1	12963	0.4	90	2881	0.02	38.55	19.24	74.18	22.09	405	4	2.5
HDB400-B-S	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-S	PDF			500	400	10 to 1	18519	0.57	75	4938	0.05	45.07	23.87	74.18	22.09	484	5	N/a
HDB600-B-S	PDF			600	480	10 to 1	22222	0.61	75	5926	0.05	51.55	23.87	74.18	22.09	516	5	N/a

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	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-S	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-S (6)	PDF			250	200	5 to 1	9259	0.32	90	2058	0.02	28.83	35.02	74.18	22.09	279	4	2.5
HDB300-F-S	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-S	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-S (8)	PDF			350	280	5 to 1	12963	0.4	90	2881	0.02	35.33	35.02	74.18	22.09	405	4	2.5
HDB400-F-S	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-S	PDF			500	400	10 to 1	18519	0.57	75	4938	0.05	41.83	43.02	71.84	23.48	484	5	N/a
HDB600-F-S	PDF			600	480	10 to 1	22222	0.61	75	5926	0.05	48.33	43.02	71.84	23.48	516	5	N/a

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

HDG-B/F Units

Application Guidelines Product Specification Product Manual Submittal / Order Information

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	PDF			50	40	5 to 1	1852	0.37	80	463	0.03	18.59	21.59	27.05	20.29	104	2.4	1.5
HDG075-B-S	PDF			75	60	5 to 1	2778	0.79	80	694	0.06	18.59	21.59	27.05	20.29	104	2.4	1.5
HDG100-B-S	PDF			100	80	5 to 1	3704	0.9	80	926	0.07	21.34	21.59	27.05	20.29	147	2.4	1.5
HDG125-B-S	PDF			125	100	5 to 1	4630	0.98	80	1157	0.08	24.09	21.59	27.05	20.29	186	2.4	1.5
HDG150-B-S	PDF			150	120	10 to 1	5556	1.04	80	1389	0.08	26.84	21.59	27.05	20.29	213	2.4	1.5
HDG175-B-S	PDF			175	140	5 to 1	6481	1.08	80	1620	0.08	29.59	21.59	27.05	20.29	233	2.4	1.5
HDG200-B-S	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-S	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-S	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-S	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-S	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

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	PDF			50	40	5 to 1	1852	0.37	80	463	0.03	15.18	22.92	27.06	20.28	104	2.4	1.5
HDG075-F-S	PDF			75	60	5 to 1	2778	0.79	80	694	0.06	15.18	22.92	27.06	20.28	104	2.4	1.5
HDG100-F-S	PDF			100	80	10 to 1	3704	0.9	80	926	0.07	17.93	22.92	27.06	20.28	147	2.4	1.5
HDG125-F-S	PDF			125	100	5 to 1	4630	0.98	80	1157	0.08	20.68	22.92	27.06	20.28	186	2.4	1.5
HDG150-F-S	PDF			150	120	10 to 1	5556	1.04	80	1389	0.08	23.43	22.92	27.06	20.28	213	2.4	1.5
HDG175-F-S	PDF			175	140	5 to 1	6481	1.08	80	1620	0.08	26.18	22.92	27.05	20.29	233	2.4	1.5
HDG200-F-S	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-S	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-S	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-S	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-S	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

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

HDG-M/I Units

Application Guidelines Product Specification Product Manual Submittal / Order Information

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	PDF			50	40	5 to 1	1852	0.01	60	617	0.01	24.98	15.18	27.05	20.29	104	2.4	1.5
HDG075-M-S	PDF			75	60	5 to 1	2778	0.02	60	926	0.01	24.98	15.18	27.05	20.29	104	2.4	1.5
HDG100-M-S	PDF			100	80	10 to 1	3704	0.05	60	1235	0.01	24.98	17.93	27.05	20.29	147	2.4	1.5
HDG125-M-S	PDF			125	100	5 to 1	4630	0.09	60	1543	0.01	24.98	20.68	27.05	20.29	186	2.4	1.5
HDG150-M-S	PDF			150	120	10 to 1	5556	0.14	60	1852	0.02	24.98	23.43	27.05	20.29	213	2.4	1.5
HDG175-M-S	PDF			175	140	5 to 1	6481	0.23	60	2160	0.03	24.98	26.18	27.05	20.29	233	2.4	1.5
HDG200-M-S	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-S	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-S	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-S	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-S	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

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

Model Number	PDF	CAD	STEP	Max Input MBH	Max Output MBH	Nat. Gas Turndown Ratio	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-S	PDF			50	40	5 to 1	1852	0.01	60	617	0.01	21.59	16.53	27.06	20.28	104	2.4	1.5
HDG075-I-S	PDF			75	60	5 to 1	2778	0.02	60	926	0.01	21.59	16.53	27.06	20.28	104	2.4	1.5
HDG100-I-S	PDF			100	80	5 to 1	3704	0.05	60	1235	0.01	21.59	19.28	27.06	20.28	147	2.4	1.5
HDG125-I-S	PDF			125	100	5 to 1	4630	0.09	60	1543	0.01	21.59	22.03	27.06	20.28	186	2.4	1.5
HDG150-I-S	PDF			150	120	10 to 1	5556	0.14	60	1852	0.02	21.59	24.78	27.06	20.28	213	2.4	1.5
HDG175-I-S	PDF			175	140	5 to 1	6481	0.23	60	2160	0.03	21.59	27.53	27.06	20.28	233	2.4	1.5
HDG200-I-S	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-S	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-S	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-S	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-S	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

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

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