HD Style N Units

HDA-B-N – 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	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-N	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
HDA250-B-N	PDF	250	150	5 to 1	9259	0.83	100	1852	0.04	25.24	30.6	43	21.98	268	4	2.5
HDA250-B-N (6)	PDF	250	150	5 to 1	9259	0.69	100	1852	0.03	25.24	30.6	43	21.98	278	4	2.5
HDA300-B-N	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-N	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-N (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-N	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-N	PDF	500	400	10 to 1	18519	1.38	100	3704	0.07	41.49	30.6	43	21.98	480	5
HDA600-B-N	PDF	600	480	10 to 1	22222	1.52	100	4444	0.08	47.99	30.6	43	21.98	522	5
HDA150-B-N-X2	PDF	300	240	20 to 1	5556	0.78	150	1111	0.04	21.99	61.2	43.06	22.03	487	8	5
HDA200-B-N-X2	PDF	400	320	20 to 1	7407	1.34	150	1481	0.06	21.99	60.18	43	21.98	487	8	5
HDA250-B-N-X2	PDF	500	400	10 to 1	9259	1.66	150	1852	0.08	25.24	60.18	43	21.98	564	8	5
HDA250-B-N-X2 (6)	PDF	500	400	10 to 1	9259	1.38	150	1852	0.06	25.24	60.18	43	21.98	585	8	5
HDA300-B-N-X2	PDF	600	480	20 to 1	11111	1.92	150	2222	0.1	28.49	60.18	43	21.98	585	8	5
HDA350-B-N-X2	PDF	700	560	10 to 1	12963	2.18	150	2593	0.12	31.74	60.18	43	21.98	668	8	5
HDA350-B-N-X2 (8)	PDF	700	560	10 to 1	12963	1.86	150	2593	0.1	31.74	60.18	43	21.98	923	8	5
HDA400-B-N-X2	PDF	800	640	20 to 1	14815	2.4	150	2963	0.12	34.99	60.18	43	21.98	923	8	5
HDA500-B-N-X2	PDF	1000	800	20 to 1	18519	2.76	150	3704	0.14	41.49	60.18	43	21.98	1011	10
HDA600-B-N-X2	PDF	1150	960	20 to 1	22222	3.04	150	4444	0.16	47.99	60.18	43	21.98	1086	10

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

HDA-F-N – 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	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-N	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-N	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-N	PDF	250	200	5 to 1	9259	0.83	100	1852	0.04	24.69	31.39	42.84	22.76	268	4	2.5
HDA250-F-N (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-N	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-N	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-N (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-N	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-N	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-N	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-N – 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	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-N	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-N	PDF	N/a	200	160	10 to 1	7407	0.03	60	2469	0.01	31.39	21.44	43	21.98	232	4	2.5
HDA250-M-N	PDF		250	200	5 to 1	9259	0.06	60	3086	0.01	31.39	24.69	43	21.98	268	4	2.5
HDA250-M-N (6)	PDF		250	200	5 to 1	9259	0.08	60	3086	0.01	31.39	24.69	43	21.98	278	4	2.5
HDA300-M-N	PDF		300	240	10 to 1	11111	0.11	60	3704	0.01	31.39	27.94	43	21.98	278	4	2.5
HDA350-M-N	PDF		350	280	5 to 1	12963	0.17	60	4321	0.02	31.39	31.19	43	21.98	389	4	2.5
HDA350-M-N (8)	PDF		350	280	5 to 1	12963	0.19	60	4321	0.03	31.39	31.19	43	21.98	439	4	2.5
HDA400-M-N	PDF	N/a	400	320	10 to 1	14815	0.25	60	4938	0.03	31.39	34.44	43	21.98	439	4	2.5
HDA500-M-N	PDF	N/a	500	400	10 to 1	18519	0.47	60	6173	0.06	31.39	40.94	43	21.98	480	5
HDA600-M-N	PDF	N/a	600	480	10 to 1	22222	0.79	60	7407	0.1	31.39	47.44	43	21.98	522	5

HDA-I-N – 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	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-N	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-N	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-N	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-N (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-N	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-N	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-N (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-N	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-N	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-N	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	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-N	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-N	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-N (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-N	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-N	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-N (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-N	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-N	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-N	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	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-N	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-N	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-N (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-N	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-N	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-N (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-N	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-N	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-N	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	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-N	PDF	50	40	5 to 1	1852	0.37	80	463	0.03	26.84	21.59	27.05	20.29	104	2.4	1.5
HDG075-B-N	PDF	75	60	5 to 1	2778	0.79	80	694	0.06	26.84	21.59	27.05	20.29	104	2.4	1.5
HDG100-B-N	PDF	100	80	10 to 1	3704	0.9	80	926	0.07	26.84	21.59	27.05	20.29	147	2.4	1.5
HDG125-B-N	PDF	125	100	5 to 1	4630	0.98	80	1157	0.08	26.84	21.59	27.05	20.29	186	2.4	1.5
HDG150-B-N	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-N	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-N	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-N	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-N	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-N	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-N	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	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-N	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-N	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-N	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-N	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-N	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-N	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-N	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-N	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-N	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-N	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-N	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	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-N	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-N	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-N	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-N	PDF	125	100	5 to 1	4630	0.07	60	1543	0.01	24.98	20.68	27.05	20.29	186	2.4	1.5
HDG150-M-N	PDF	150	120	10 to 1	5556	0.14	60	1852	0.03	24.98	23.43	27.05	20.29	213	2.4	1.5
HDG175-M-N	PDF	175	140	5 to 1	6481	0.23	60	2160	0.04	24.98	26.18	27.05	20.29	233	2.4	1.5
HDG200-M-N	PDF	200	160	10 to 1	7407	0.33	60	2469	0.06	24.98	28.93	27.05	20.29	263	4	2.5
HDG250-M-N	PDF	250	200	10 to 1	9259	0.54	60	3086	0.1	24.98	34.43	27.05	20.29	333	4	2.5
HDG300-M-N	PDF	300	240	10 to 1	11111	0.91	60	3704	0.17	24.98	39.93	27.05	20.29	391	4	2.5
HDG350-M-N	PDF	350	280	10 to 1	12963	1.42	60	4321	0.26	24.98	45.43	27.05	20.29	443	4	2.5
HDG400-M-N	PDF	400	320	10 to 1	14815	1.95	60	4938	0.36	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	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-N	PDF	50	40	5 to 1	1852	0.01	60	617	0.01	21.59	24.78	27.06	20.28	104	2.4	1.5
HDG075-I-N	PDF	75	60	5 to 1	2778	0.02	60	926	0.01	21.59	24.78	27.06	20.28	104	2.4	1.5
HDG100-I-N	PDF	100	80	10 to 1	3704	0.05	60	1235	0.01	21.59	24.78	27.06	20.28	147	2.4	1.5
HDG125-I-N	PDF	125	100	5 to 1	4630	0.09	60	1543	0.01	21.59	24.78	27.06	20.28	186	2.4	1.5
HDG150-I-N	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-N	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-N	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-N	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-N	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-N	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-N	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.

HD Style N Units

Jump to:

HDA-B-N – Horizontal Airflow

HDA-F-N – Vertical Airflow

HDA-M-N – Horizontal Airflow

HDA-I-N – Vertical Airflow

HDB-B/F Units

HDG-B/F Units

HDG-M/I Units