HDB-VHX Units | Heatco

– Fully sheeted duct furnaces mounted in a 16-gauge galvanized steel frame.
– Provides listed temperature rise and air side pressure drop performance.
– Each furnace includes an individual shutoff valve, flexible gas connector & union piped to properly sized supply header.
– Condensate drains pre-piped to a common header.
– Easy removal of any single duct furnace.
– All controls prewired to a sequencer for system control.
– Customer only needs to provide Power, “Call for Heat” and a 0-10 VDC signal.

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

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Model Number	PDF	PDF of Gas Train	PDF of Wiring Diagram	Max Input MBH	Max Output MBH	Min Input MBH	Min Output MBH	Nat. Gas Turndown Ratio	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 208V 230V
HDB-VHX-180-360	PDF	PDF	PDF	360	292	36	29	10 to 1	9000	0.11	90	3000	0.01	42.37	21.13	78.4	17.13	512	8	5
HDB-VHX-200-400	PDF	PDF	PDF	400	324	40	32	10 to 1	10000	0.13	90	3333	0.02	42.37	21.13	78.4	17.13	512	8	5
HDB-VHX-225-450	PDF	PDF	PDF	450	365	45	36	10 to 1	11250	0.16	90	3750	0.02	48.87	21.13	78.4	17.13	512	8	5
HDB-VHX-250-500	PDF	PDF	PDF	500	405	50	41	10 to 1	12500	0.15	90	4167	0.02	48.87	21.13	78.4	17.13	512	8	5
HDB-VHX-270-540	PDF	PDF	PDF	540	437	54	44	10 to 1	13500	0.13	90	4500	0.02	55.37	21.13	78.4	17.13	552	8	5
HDB-VHX-180-540	PDF	PDF	PDF	540	437	36	29	15 to 1	13500	0.11	90	4500	0.01	62.74	21.13	78.4	17.13	718	12	7.5
HDB-VHX-300-600	PDF	PDF	PDF	600	486	60	49	10 to 1	15000	0.16	90	5000	0.02	55.37	21.13	78.4	17.13	552	8	5
HDB-VHX-200-600	PDF	PDF	PDF	600	486	40	32	15 to 1	15000	0.13	90	5000	0.02	62.74	21.13	78.4	17.13	718	12	7.5
HDB-VHX-315-630	PDF	PDF	PDF	630	510	63	51	10 to 1	15750	0.15	90	5250	0.02	61.87	21.13	78.4	17.13	594	8	5
HDB-VHX-225-675	PDF	PDF	PDF	675	547	45	36	15 to 1	16875	0.16	90	5625	0.02	72.49	21.13	78.4	17.13	718	12	7.5
HDB-VHX-350-700	PDF	PDF	PDF	700	567	70	57	10 to 1	17500	0.18	90	5833	0.02	61.87	21.13	78.4	17.13	594	8	5
HDB-VHX-360-720	PDF	PDF	PDF	720	583	72	58	10 to 1	18000	0.16	90	6000	0.02	68.37	21.13	78.4	17.13	642	8	5
HDB-VHX-375-750	PDF	PDF	PDF	750	608	75	61	10 to 1	18750	0.18	90	6250	0.02	68.37	21.13	78.4	17.13	642	8	5
HDB-VHX-250-750	PDF	PDF	PDF	750	608	50	41	15 to 1	18750	0.15	90	6250	0.02	72.49	21.13	78.4	17.13	768	12	7.5
HDB-VHX-400-800	PDF	PDF	PDF	800	648	80	65	10 to 1	20000	0.2	90	6667	0.02	68.37	21.13	78.4	17.13	642	8	5
HDB-VHX-270-810	PDF	PDF	PDF	820	664	55	45	15 to 1	20500	0.13	90	6833	0.02	82.24	21.13	78.4	17.13	828	12	7.5
HDB-VHX-300-900	PDF	PDF	PDF	900	729	60	49	15 to 1	22500	0.16	90	7500	0.02	82.24	21.13	78.4	17.13	773	12	7.5
HDB-VHX-315-945	PDF	PDF	PDF	945	765	63	51	15 to 1	23625	0.15	90	7875	0.02	91.99	21.13	78.4	17.13	836	12	7.5
HDB-VHX-500-1000	PDF	PDF	PDF	1000	810	100	81	10 to 1	25000	0.21	90	8333	0.02	81.37	23.63	78.4	20.13	733	10
HDB-VHX-350-1050	PDF	PDF	PDF	1050	851	70	57	15 to 1	26250	0.18	90	8750	0.02	91.99	21.13	78.4	17.13	836	12	7.5
HDB-VHX-360-1080	PDF	PDF	PDF	1080	875	72	58	15 to 1	27000	0.16	90	9000	0.02	101.74	21.13	78.4	17.13	963	12	7.5
HDB-VHX-375-1125	PDF	PDF	PDF	1125	911	75	61	15 to 1	28125	0.18	90	9375	0.02	101.74	21.13	78.4	17.13	963	12	7.5
HDB-VHX-600-1200	PDF	PDF	PDF	1200	972	120	97	10 to 1	30000	0.23	90	10000	0.03	94.37	23.63	78.4	20.13	773	10
HDB-VHX-400-1200	PDF	PDF	PDF	1200	972	80	65	15 to 1	30000	0.2	90	10000	0.02	101.74	21.13	78.4	17.13	963	12	7.5
HDB-VHX-500-1500	PDF	PDF	PDF	1500	1215	100	81	15 to 1	37500	0.21	90	12500	0.02	121.24	23.63	78.4	20.13	1076	15	7.5
HDB-VHX-600-1800	PDF	PDF	PDF	1800	1458	120	97	15 to 1	45000	0.23	90	15000	0.03	140.74	23.63	78.4	20.13	1136	15	7.5

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