HMB Units | Heatco

Applications with 20-90°F Temp Rise

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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
HMB180 - 5:1 Mod (MA)	A B C D E F G P Q	180	144	5 to 1	6667	0.28	90	1481	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB180 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	180	144	10:1/6:1 (NA/LP)	6667	0.28	90	1481	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB180 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	180	144	3 to 1	6667	0.28	90	1481	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB180 - One Stage	A B C D E F G P Q	180	144	1 to 1	6667	0.28	90	1481	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB180 - Two Stage (TN)	A B C D E F G P Q	180	144	2 to 1	6667	0.28	90	1481	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB180 - Two Stage (TS)	A B C D E F G P Q	180	144	2 to 1	6667	0.28	90	1481	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB200 - 5:1 Mod (MA)	A B C D E F G P Q	200	160	5 to 1	7407	0.34	90	1646	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB200 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	200	160	10:1/6:1 (NA/LP)	7407	0.34	90	1646	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB200 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	200	160	3 to 1	7407	0.34	90	1646	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB200 - One Stage	A B C D E F G P Q	200	160	1 to 1	7407	0.34	90	1646	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB200 - Two Stage (TN)	A B C D E F G P Q	200	160	2 to 1	7407	0.34	90	1646	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB200 - Two Stage (TS)	A B C D E F G P Q	200	160	2 to 1	7407	0.34	90	1646	0.02	20.37	17.37	75.25	16	97	4	2.5
HMB250 - 5:1 Mod (MA)	A B C D E F G P Q	250	200	5 to 1	9259	0.39	90	2058	0.02	23.62	17.37	75.25	16	116	4	2.5
HMB250 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	250	200	10:1/6:1 (NA/LP)	9259	0.39	90	2058	0.02	23.62	17.37	75.25	16	116	4	2.5
HMB250 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	250	200	3 to 1	9259	0.39	90	2058	0.02	23.62	17.37	75.25	16	116	4	2.5
HMB250 - One Stage	A B C D E F G P Q	250	200	1 to 1	9259	0.39	90	2058	0.02	23.62	17.37	75.25	16	116	4	2.5
HMB250 - Two Stage (TN)	A B C D E F G P Q	250	200	2 to 1	9259	0.39	90	2058	0.02	23.62	17.37	75.25	16	116	4	2.5
HMB250 - Two Stage (TS)	A B C D E F G P Q	250	200	2 to 1	9259	0.39	90	2058	0.02	23.62	17.37	75.25	16	116	4	2.5
HMB300 - 5:1 Mod (MA)	A B C D E F G P Q	300	240	5 to 1	11111	0.44	90	2469	0.03	26.87	17.37	75.25	16	131	4	2.5
HMB300 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	300	240	10:1/6:1 (NA/LP)	11111	0.44	90	2469	0.03	26.87	17.37	75.25	16	131	4	2.5
HMB300 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	300	240	3 to 1	11111	0.44	90	2469	0.03	26.87	17.37	75.25	16	131	4	2.5
HMB300 - One Stage	A B C D E F G P Q	300	240	1 to 1	11111	0.44	90	2469	0.03	26.87	17.37	75.25	16	131	4	2.5
HMB300 - Two Stage (TN)	A B C D E F G P Q	300	240	2 to 1	11111	0.44	90	2469	0.03	26.87	17.37	75.25	16	131	4	2.5
HMB300 - Two Stage (TS)	A B C D E F G P Q	300	240	2 to 1	11111	0.44	90	2469	0.03	26.87	17.37	75.25	16	131	4	2.5
HMB350 - 5:1 Mod (MA)	A B C D E F G P Q	350	280	5 to 1	12963	0.48	90	2881	0.03	30.12	17.37	75.25	16	147	4	2.5
HMB350 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	350	280	10:1/6:1 (NA/LP)	12963	0.48	90	2881	0.03	30.12	17.37	75.25	16	147	4	2.5
HMB350 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	350	280	3 to 1	12963	0.48	90	2881	0.03	30.12	17.37	75.25	16	147	4	2.5
HMB350 - One Stage	A B C D E F G P Q	350	280	1 to 1	12963	0.48	90	2881	0.03	30.12	17.37	75.25	16	147	4	2.5
HMB350 - Two Stage (TN)	A B C D E F G P Q	350	280	2 to 1	12963	0.48	90	2881	0.03	30.12	17.37	75.25	16	147	4	2.5
HMB350 - Two Stage (TS)	A B C D E F G P Q	350	280	2 to 1	12963	0.48	90	2881	0.03	30.12	17.37	75.25	16	147	4	2.5
HMB400 - 5:1 Mod (MA)	A B C D E F G P Q	400	320	5 to 1	14815	0.52	90	3292	0.03	33.37	17.37	75.25	16	166	4	2.5
HMB400 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	400	320	10:1/6:1 (NA/LP)	14815	0.52	90	3292	0.03	33.37	17.37	75.25	16	166	4	2.5
HMB400 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	400	320	3 to 1	14815	0.52	90	3292	0.03	33.37	17.37	75.25	16	166	4	2.5
HMB400 - One Stage	A B C D E F G P Q	400	320	1 to 1	14815	0.52	90	3292	0.03	33.37	17.37	75.25	16	166	4	2.5
HMB400 - Two Stage (TN)	A B C D E F G P Q	400	320	2 to 1	14815	0.52	90	3292	0.03	33.37	17.37	75.25	16	166	4	2.5
HMB400 - Two Stage (TS)	A B C D E F G P Q	400	320	2 to 1	14815	0.52	90	3292	0.03	33.37	17.37	75.25	16	166	4	2.5

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

Applications with 20-75°F Temp Rise

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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
HMB500 - 5:1 Mod (MA)	A B C D E F G P Q	500	400	5 to 1	18519	0.57	75	4938	0.05	39.87	22	75.25	20	235	5
HMB500 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	500	400	10:1/6:1 (NA/LP)	18519	0.57	75	4938	0.05	39.87	22	75.25	20	235	5
HMB500 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	500	400	3 to 1	18519	0.57	75	4938	0.05	39.87	22	75.25	20	235	5
HMB500 - Two Stage (TS)	A B C D E F G P Q	500	400	2 to 1	18519	0.57	75	4938	0.05	39.87	22	75.25	20	235	5
HMB600 - 5:1 Mod (MA)	A B C D E F G P Q	600	480	5 to 1	22222	0.61	75	5926	0.05	46.37	22	75.25	20	255	5
HMB600 - 10:1/6:1 Mod (MB) (NA/LP)	A B C D E F G P Q	600	480	10:1/6:1 (NA/LP)	22222	0.61	75	5926	0.05	46.37	22	75.25	20	255	5
HMB600 - 3:1 Mod (MD) (LP)	A B C D E F G P Q	600	480	3 to 1	22222	0.61	75	5926	0.05	46.37	22	75.25	20	255	5
HMB600 - Two Stage (TS)	A B C D E F G P Q	600	480	2 to 1	22222	0.61	75	5926	0.05	46.37	22	75.25	20	255	5

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

Applications with 20-60°F Temp Rise

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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
HMB180 - 5:1 Mod (MA)	H I J K L M N R S	180	144	5 to 1	6667	0.03	60	2222	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB180 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	180	144	10:1/6:1 (NA/LP)	6667	0.03	60	2222	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB180 - 3:1 Mod (MD) (LP)	H I J K L M N R S	180	144	3 to 1	6667	0.03	60	2222	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB180 - One Stage	H I J K L M N R S	180	144	1 to 1	6667	0.03	60	2222	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB180 - Two Stage (TN)	H I J K L M N R S	180	144	2 to 1	6667	0.03	60	2222	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB180 - Two Stage (TS)	H I J K L M N R S	180	144	2 to 1	6667	0.03	60	2222	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB200 - 5:1 Mod (MA)	H I J K L M N R S	200	160	5 to 1	7407	0.04	60	2469	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB200 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	200	160	10:1/6:1 (NA/LP)	7407	0.04	60	2469	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB200 - 3:1 Mod (MD) (LP)	H I J K L M N R S	200	160	3 to 1	7407	0.04	60	2469	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB200 - One Stage	H I J K L M N R S	200	160	1 to 1	7407	0.04	60	2469	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB200 - Two Stage (TN)	H I J K L M N R S	200	160	2 to 1	7407	0.04	60	2469	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB200 - Two Stage (TS)	H I J K L M N R S	200	160	2 to 1	7407	0.04	60	2469	0.01	17.37	20.37	75.25	16	97	4	2.5
HMB250 - 5:1 Mod (MA)	H I J K L M N R S	250	200	5 to 1	9259	0.08	60	3086	0.01	17.37	23.62	75.25	16	116	4	2.5
HMB250 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	250	200	10:1/6:1 (NA/LP)	9259	0.08	60	3086	0.01	17.37	23.62	75.25	16	116	4	2.5
HMB250 - 3:1 Mod (MD) (LP)	H I J K L M N R S	250	200	3 to 1	9259	0.08	60	3086	0.01	17.37	23.62	75.25	16	116	4	2.5
HMB250 - One Stage	H I J K L M N R S	250	200	1 to 1	9259	0.08	60	3086	0.01	17.37	23.62	75.25	16	116	4	2.5
HMB250 - Two Stage (TN)	H I J K L M N R S	250	200	2 to 1	9259	0.08	60	3086	0.01	17.37	23.62	75.25	16	116	4	2.5
HMB250 - Two Stage (TS)	H I J K L M N R S	250	200	2 to 1	9259	0.08	60	3086	0.01	17.37	23.62	75.25	16	116	4	2.5
HMB300 - 5:1 Mod (MA)	H I J K L M N R S	300	240	5 to 1	11111	0.13	60	3704	0.02	17.37	26.87	75.25	16	131	4	2.5
HMB300 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	300	240	10:1/6:1 (NA/LP)	11111	0.13	60	3704	0.02	17.37	26.87	75.25	16	131	4	2.5
HMB300 - 3:1 Mod (MD) (LP)	H I J K L M N R S	300	240	3 to 1	11111	0.13	60	3704	0.02	17.37	26.87	75.25	16	131	4	2.5
HMB300 - One Stage	H I J K L M N R S	300	240	1 to 1	11111	0.13	60	3704	0.02	17.37	26.87	75.25	16	131	4	2.5
HMB300 - Two Stage (TN)	H I J K L M N R S	300	240	2 to 1	11111	0.13	60	3704	0.02	17.37	26.87	75.25	16	131	4	2.5
HMB300 - Two Stage (TS)	H I J K L M N R S	300	240	2 to 1	11111	0.13	60	3704	0.02	17.37	26.87	75.25	16	131	4	2.5
HMB350 - 5:1 Mod (MA)	H I J K L M N R S	350	280	5 to 1	12963	0.2	60	4321	0.03	17.37	30.12	75.25	16	147	4	2.5
HMB350 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	350	280	10:1/6:1 (NA/LP)	12963	0.2	60	4321	0.03	17.37	30.12	75.25	16	147	4	2.5
HMB350 - 3:1 Mod (MD) (LP)	H I J K L M N R S	350	280	3 to 1	12963	0.2	60	4321	0.03	17.37	30.12	75.25	16	147	4	2.5
HMB350 - One Stage	H I J K L M N R S	350	280	1 to 1	12963	0.2	60	4321	0.03	17.37	30.12	75.25	16	147	4	2.5
HMB350 - Two Stage (TN)	H I J K L M N R S	350	280	2 to 1	12963	0.2	60	4321	0.03	17.37	30.12	75.25	16	147	4	2.5
HMB350 - Two Stage (TS)	H I J K L M N R S	350	280	2 to 1	12963	0.2	60	4321	0.03	17.37	30.12	75.25	16	147	4	2.5
HMB400 - 5:1 Mod (MA)	H I J K L M N R S	400	320	5 to 1	14815	0.3	60	4938	0.04	17.37	33.37	75.25	16	166	4	2.5
HMB400 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	400	320	10:1/6:1 (NA/LP)	14815	0.3	60	4938	0.04	17.37	33.37	75.25	16	166	4	2.5
HMB400 - 3:1 Mod (MD) (LP)	H I J K L M N R S	400	320	3 to 1	14815	0.3	60	4938	0.04	17.37	33.37	75.25	16	166	4	2.5
HMB400 - One Stage	H I J K L M N R S	400	320	1 to 1	14815	0.3	60	4938	0.04	17.37	33.37	75.25	16	166	4	2.5
HMB400 - Two Stage (TN)	H I J K L M N R S	400	320	2 to 1	14815	0.3	60	4938	0.04	17.37	33.37	75.25	16	166	4	2.5
HMB400 - Two Stage (TS)	H I J K L M N R S	400	320	2 to 1	14815	0.3	60	4938	0.04	17.37	33.37	75.25	16	166	4	2.5
HMB500 - 5:1 Mod (MA)	H I J K L M N R S	500	400	5 to 1	18519	0.55	60	6173	0.07	22	39.87	75.25	20	235	4	2.5
HMB500 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	500	400	10:1/6:1 (NA/LP)	18519	0.55	60	6173	0.07	22	39.87	75.25	20	235	4	2.5
HMB500 - 3:1 Mod (MD) (LP)	H I J K L M N R S	500	400	3 to 1	18519	0.55	60	6173	0.07	22	39.87	75.25	20	235	4	2.5
HMB500 - Two Stage (TS)	H I J K L M N R S	500	400	2 to 1	18519	0.55	60	6173	0.07	22	39.87	75.25	20	235	4	2.5
HMB600 - 5:1 Mod (MA)	H I J K L M N R S	600	480	5 to 1	22222	0.93	60	7407	0.12	22	46.37	75.25	20	255	4	2.5
HMB600 - 10:1/6:1 Mod (MB) (NA/LP)	H I J K L M N R S	600	480	10:1/6:1 (NA/LP)	22222	0.93	60	7407	0.12	22	46.37	75.25	20	255	4	2.5
HMB600 - 3:1 Mod (MD) (LP)	H I J K L M N R S	600	480	3 to 1	22222	0.93	60	7407	0.12	22	46.37	75.25	20	255	4	2.5
HMB600 - Two Stage (TS)	H I J K L M N R S	600	480	2 to 1	22222	0.93	60	7407	0.12	22	46.37	75.25	20	255	4	2.5

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