HDB Units

Configurations with 30-90°F Temp Rise

Application Guidelines Product Specification User Guidelines OEM Instructions Submittal / Order Information

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Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 230V
HDB180 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	180	146	10:1/6:1 Mod (WB) (NA/LP)	4500	0.11	90	1500	0.01	22.37	21.5	77.74	15	119	4	2.5
HDB180 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	180	146	5:1/3:1 Mod (WA) (NA/LP)	4500	0.11	90	1500	0.01	22.37	21.5	77.74	15	119	4	2.5
HDB180 - One Stage (SN)	A B C D E F G P Q	180	146	1 to 1	4500	0.11	90	1500	0.01	22.37	21.5	77.74	15	119	4	2.5
HDB180 - Two Stage (TN)	A B C D E F G P Q	180	146	2 to 1	4500	0.11	90	1500	0.01	22.37	21.5	77.74	15	119	4	2.5
HDB180 - Two Stage (TS)	A B C D E F G P Q	180	146	2 to 1	4500	0.11	90	1500	0.01	22.37	21.5	77.74	15	119	4	2.5
HDB200 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	200	162	10:1/6:1 Mod (WB) (NA/LP)	5000	0.13	90	1667	0.02	22.37	21.5	77.74	15	119	4	2.5
HDB200 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	200	162	5:1/3:1 Mod (WA) (NA/LP)	5000	0.13	90	1667	0.02	22.37	21.5	77.74	15	119	4	2.5
HDB200 - One Stage (SN)	A B C D E F G P Q	200	162	1 to 1	5000	0.13	90	1667	0.02	22.37	21.5	77.74	15	119	4	2.5
HDB200 - Two Stage (TN)	A B C D E F G P Q	200	162	2 to 1	5000	0.13	90	1667	0.02	22.37	21.5	77.74	15	119	4	2.5
HDB200 - Two Stage (TS)	A B C D E F G P Q	200	162	2 to 1	5000	0.13	90	1667	0.02	22.37	21.5	77.74	15	119	4	2.5
HDB225 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	225	182	5:1/3:1 Mod (WA) (NA/LP)	5625	0.16	90	1875	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB225 - One Stage (SN)	A B C D E F G P Q	225	182	1 to 1	5625	0.16	90	1875	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB225 - Two Stage (TN)	A B C D E F G P Q	225	182	2 to 1	5625	0.16	90	1875	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB225 - Two Stage (TS)	A B C D E F G P Q	225	182	2 to 1	5625	0.16	90	1875	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB250 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	250	203	5:1/3:1 Mod (WA) (NA/LP)	6250	0.15	90	2083	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB250 - One Stage (SN)	A B C D E F G P Q	250	203	1 to 1	6250	0.15	90	2083	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB250 - Two Stage (TN)	A B C D E F G P Q	250	203	2 to 1	6250	0.15	90	2083	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB250 - Two Stage (TS)	A B C D E F G P Q	250	203	2 to 1	6250	0.15	90	2083	0.02	25.62	21.5	77.74	15	142	4	2.5
HDB270 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	270	219	10:1/6:1 Mod (WB) (NA/LP)	6750	0.13	90	2250	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB270 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	270	219	5:1/3:1 Mod (WA) (NA/LP)	6750	0.13	90	2250	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB270 - One Stage (SN)	A B C D E F G P Q	270	219	1 to 1	6750	0.13	90	2250	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB270 - Two Stage (TN)	A B C D E F G P Q	270	219	2 to 1	6750	0.13	90	2250	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB270 - Two Stage (TS)	A B C D E F G P Q	270	219	2 to 1	6750	0.13	90	2250	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB300 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	300	243	10:1/6:1 Mod (WB) (NA/LP)	7500	0.16	90	2500	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB300 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	300	243	5:1/3:1 Mod (WA) (NA/LP)	7500	0.16	90	2500	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB300 - One Stage (SN)	A B C D E F G P Q	300	243	1 to 1	7500	0.16	90	2500	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB300 - Two Stage (TN)	A B C D E F G P Q	300	243	2 to 1	7500	0.16	90	2500	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB300 - Two Stage (TS)	A B C D E F G P Q	300	243	2 to 1	7500	0.16	90	2500	0.02	28.87	21.5	77.74	15	161	4	2.5
HDB315 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	315	255	5:1/3:1 Mod (WA) (NA/LP)	7875	0.15	90	2625	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB315 - One Stage (SN)	A B C D E F G P Q	315	255	1 to 1	7875	0.15	90	2625	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB315 - Two Stage (TN)	A B C D E F G P Q	315	255	2 to 1	7875	0.15	90	2625	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB315 - Two Stage (TS)	A B C D E F G P Q	315	255	2 to 1	7875	0.15	90	2625	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB350 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	350	284	5:1/3:1 Mod (WA) (NA/LP)	8750	0.18	90	2917	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB350 - One Stage (SN)	A B C D E F G P Q	350	284	1 to 1	8750	0.18	90	2917	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB350 - Two Stage (TN)	A B C D E F G P Q	350	284	2 to 1	8750	0.18	90	2917	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB350 - Two Stage (TS)	A B C D E F G P Q	350	284	2 to 1	8750	0.18	90	2917	0.02	32.12	21.5	77.74	15	180	4	2.5
HDB360 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	360	292	10:1/6:1 Mod (WB) (NA/LP)	9000	0.16	90	3000	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB360 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	360	292	5:1/3:1 Mod (WA) (NA/LP)	9000	0.16	90	3000	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB360 - One Stage (SN)	A B C D E F G P Q	360	292	1 to 1	9000	0.16	90	3000	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB360 - Two Stage (TN)	A B C D E F G P Q	360	292	2 to 1	9000	0.16	90	3000	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB360 - Two Stage (TS)	A B C D E F G P Q	360	292	2 to 1	9000	0.16	90	3000	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB375 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	375	304	10:1/6:1 Mod (WB) (NA/LP)	9375	0.18	90	3125	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB375 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	375	304	5:1/3:1 Mod (WA) (NA/LP)	9375	0.18	90	3125	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB375 - One Stage (SN)	A B C D E F G P Q	375	304	1 to 1	9375	0.18	90	3125	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB375 - Two Stage (TN)	A B C D E F G P Q	375	304	2 to 1	9375	0.18	90	3125	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB375 - Two Stage (TS)	A B C D E F G P Q	375	304	2 to 1	9375	0.18	90	3125	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB400 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	400	324	10:1/6:1 Mod (WB) (NA/LP)	10000	0.2	90	3333	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB400 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	400	324	5:1/3:1 Mod (WA) (NA/LP)	10000	0.2	90	3333	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB400 - One Stage (SN)	A B C D E F G P Q	400	324	1 to 1	10000	0.2	90	3333	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB400 - Two Stage (TN)	A B C D E F G P Q	400	324	2 to 1	10000	0.2	90	3333	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB400 - Two Stage (TS)	A B C D E F G P Q	400	324	2 to 1	10000	0.2	90	3333	0.02	35.37	21.5	77.74	15	204	4	2.5
HDB500 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	500	405	10:1/6:1 Mod (WB) (NA/LP)	12500	0.21	90	4167	0.02	41.87	24	77.74	15	288	5
HDB500 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	500	405	5:1/3:1 Mod (WA) (NA/LP)	12500	0.21	90	4167	0.02	41.87	24	77.74	15	288	5
HDB500 - Two Stage (TS)	A B C D E F G P Q	500	405	2 to 1	12500	0.21	90	4167	0.02	41.87	24	77.74	15	288	5
HDB600 - 10:1/6:1 Mod (WB) (NA/LP)	A B C D E F G P Q	600	486	10:1/6:1 Mod (WB) (NA/LP)	15000	0.23	90	5000	0.03	48.37	24	77.74	15	313	5
HDB600 - 5:1/3:1 Mod (WA) (NA/LP)	A B C D E F G P Q	600	486	5:1/3:1 Mod (WA) (NA/LP)	15000	0.23	90	5000	0.03	48.37	24	77.74	15	313	5
HDB600 - Two Stage (TS)	A B C D E F G P Q	600	486	2 to 1	15000	0.23	90	5000	0.03	48.37	24	77.74	15	313	5

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

HDB-B-CX-X2

Application Guidelines Product Specification User Guidelines OEM Instructions Submittal / Order Information

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

Model Number	PDF	Max Input MBH	Max Output MBH	Max Avail. Turndown (Nat)	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Weight (Lbs.)	Total Amps 120V	Total Amps 230V
HDB180-B-WA-CX-X2	PDF	360	292	20 to 1	4500	0.21	180	1500	0.03	22.37	43.14	77.74	16	238	8	5
HDB180-B-WB-CX-X2	PDF	360	292	20:1/12:1 (NA/LP)	4500	0.21	180	1500	0.03	22.37	43.14	77.74	16	238	8	5
HDB200-B-WA-CX-X2	PDF	400	324	20 to 1	5000	0.26	180	1667	0.03	22.37	43.14	77.74	16	238	8	5
HDB200-B-WB-CX-X2	PDF	400	324	20:1/12:1 (NA/LP)	5000	0.26	180	1667	0.03	22.37	43.14	77.74	16	238	8	5
HDB225-B-WA-CX-X2	PDF	450	364	10 to 1	5625	0.33	180	1875	0.04	25.62	43.14	77.74	16	284	8	5
HDB250-B-WA-CX-X2	PDF	500	405	10 to 1	6250	0.3	180	2083	0.03	25.62	43.14	77.74	16	284	8	5
HDB270-B-WA-CX-X2	PDF	540	437	20 to 1	6750	0.26	180	2250	0.03	28.87	43.14	77.74	16	322	8	5
HDB270-B-WB-CX-X2	PDF	540	437	20:1/12:1 (NA/LP)	6750	0.26	180	2250	0.03	28.87	43.14	77.74	16	322	8	5
HDB300-B-WA-CX-X2	PDF	600	486	20 to 1	7500	0.32	180	2500	0.04	28.87	43.14	77.74	16	322	8	5
HDB300-B-WB-CX-X2	PDF	600	486	20:1/12:1 (NA/LP)	7500	0.32	180	2500	0.04	28.87	43.14	77.74	16	322	8	5
HDB315-B-WA-CX-X2	PDF	630	510	10 to 1	7875	0.29	180	2625	0.03	32.12	43.14	77.74	16	360	8	5
HDB350-B-WA-CX-X2	PDF	700	567	10 to 1	8750	0.36	180	2917	0.04	32.12	43.14	77.74	16	360	8	5
HDB360-B-WA-CX-X2	PDF	720	583	20 to 1	9000	0.32	180	3000	0.04	35.37	43.14	77.74	16	408	8	5
HDB360-B-WB-CX-X2	PDF	720	583	20:1/12:1 (NA/LP)	9000	0.32	180	3000	0.04	35.37	43.14	77.74	16	408	8	5
HDB375-B-WA-CX-X2	PDF	750	608	20 to 1	9375	0.35	180	3125	0.04	35.37	43.14	77.74	16	408	8	5
HDB375-B-WB-CX-X2	PDF	750	608	20:1/12:1 (NA/LP)	9375	0.35	180	3125	0.04	35.37	43.14	77.74	16	408	8	5
HDB400-B-WA-CX-X2	PDF	800	648	20 to 1	10000	0.4	180	3333	0.05	35.37	43.14	77.74	16	408	8	5
HDB400-B-WB-CX-X2	PDF	800	648	20:1/12:1 (NA/LP)	10000	0.4	180	3333	0.05	35.37	43.14	77.74	16	408	8	5
HDB500-B-WA-CX-X2	PDF	1000	810	20 to 1	12500	0.42	180	4167	0.05	41.87	48.14	77.74	15	576	10
HDB500-B-WB-CX-X2	PDF	1000	810	20:1/12:1 (NA/LP)	12500	0.42	180	4167	0.05	41.87	48.14	77.74	15	576	10
HDB600-B-WA-CX-X2	PDF	1200	972	20 to 1	15000	0.46	180	5000	0.05	48.37	48.14	77.74	15	626	10
HDB600-B-WB-CX-X2	PDF	1200	972	20:1/12:1 (NA/LP)	15000	0.46	180	5000	0.05	48.37	48.14	77.74	15	626	10

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

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Configurations with 30-90°F Temp Rise

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HDB-B-CX-X2

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