– 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 NumberPDFAlt PDFPDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHNat. Gas Turndown RatioMax CFMMax APD @ Min RiseMax Temp RiseMin CFMMin APD @ Max RiseDim ADim BDim CDim DWeight (Lbs.)Total Amps 120VTotal Amps 230V
HDB-VHX-180-360PDFPDFPDF360292362910 to 190000.119030000.0142.3721.1378.417.1351285
HDB-VHX-200-400PDFPDFPDF400324403210 to 1100000.139033330.0242.3721.1378.417.1351285
HDB-VHX-225-450PDFPDFPDF450365453610 to 1112500.169037500.0248.8721.1378.417.1351285
HDB-VHX-250-500PDFPDFPDF500405504110 to 1125000.159041670.0248.8721.1378.417.1351285
HDB-VHX-270-540PDFPDFPDF540437544410 to 1135000.139045000.0255.3721.1378.417.1355285
HDB-VHX-180-540PDFPDFPDF540437362915 to 1135000.119045000.0162.7421.1378.417.13718127.5
HDB-VHX-300-600PDFPDFPDF600486604910 to 1150000.169050000.0255.3721.1378.417.1355285
HDB-VHX-200-600PDFPDFPDF600486403215 to 1150000.139050000.0262.7421.1378.417.13718127.5
HDB-VHX-315-630PDFPDFPDF630510635110 to 1157500.159052500.0261.8721.1378.417.1359485
HDB-VHX-225-675PDFPDFPDF675547453615 to 1168750.169056250.0272.4921.1378.417.13718127.5
HDB-VHX-350-700PDFPDFPDF700567705710 to 1175000.189058330.0261.8721.1378.417.1359485
HDB-VHX-360-720PDFPDFPDF720583725810 to 1180000.169060000.0268.3721.1378.417.1364285
HDB-VHX-375-750PDFPDFPDF750608756110 to 1187500.189062500.0268.3721.1378.417.1364285
HDB-VHX-250-750PDFPDFPDF750608504115 to 1187500.159062500.0272.4921.1378.417.13768127.5
HDB-VHX-400-800PDFPDFPDF800648806510 to 1200000.29066670.0268.3721.1378.417.1364285
HDB-VHX-270-810PDFPDFPDF820664554515 to 1205000.139068330.0282.2421.1378.417.13828127.5
HDB-VHX-300-900PDFPDFPDF900729604915 to 1225000.169075000.0282.2421.1378.417.13773127.5
HDB-VHX-315-945PDFPDFPDF945765635115 to 1236250.159078750.0291.9921.1378.417.13836127.5
HDB-VHX-500-1000PDFPDFPDF10008101008110 to 1250000.219083330.0281.3723.6378.420.1373310
HDB-VHX-350-1050PDFPDFPDF1050851705715 to 1262500.189087500.0291.9921.1378.417.13836127.5
HDB-VHX-360-1080PDFPDFPDF1080875725815 to 1270000.169090000.02101.7421.1378.417.13963127.5
HDB-VHX-375-1125PDFPDFPDF1125911756115 to 1281250.189093750.02101.7421.1378.417.13963127.5
HDB-VHX-600-1200PDFPDFPDF12009721209710 to 1300000.2390100000.0394.3723.6378.420.1377310
HDB-VHX-400-1200PDFPDFPDF1200972806515 to 1300000.290100000.02101.7421.1378.417.13963127.5
HDB-VHX-500-1500PDFPDFPDF150012151008115 to 1375000.2190125000.02121.2423.6378.420.131076157.5
HDB-VHX-600-1800PDFPDFPDF180014581209715 to 1450000.2390150000.03140.7423.6378.420.131136157.5
Note: For Propane gas, turndown is 60% of stated natural gas turndown.