– 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 208V 230V
HDA-VHX-150-300PDFPDFPDFPDF3002433024.310 to 175000.4410022500.0239.5729.9844.6616.545085
HDA-VHX-200-400PDFPDFPDFPDF4003244032.410 to 1100000.7810030000.0639.5729.9844.6616.547585
HDA-VHX-150-450PDFPDFPDFPDF4503643024.315 to 1112500.4410033750.0258.5429.9844.6616.5675127.5
HDA-VHX-250-500PDFPDFPDFPDF5004055040.510 to 1125000.7910037500.0746.0729.9844.6616.549085
HDA-VHX-300-600PDFPDFPDFPDF6004866048.610 to 1150000.810045000.0752.5729.9844.6616.553385
HDA-VHX-200-600PDFPDFPDFPDF6004864032.415 to 1150000.7810045000.0658.5429.9844.6616.5713127.5
HDA-VHX-350-700PDFPDFPDFPDF7005677056.710 to 1175000.8110052500.0859.0729.9844.6616.558785
HDA-VHX-250-750PDFPDFPDFPDF7506085040.515 to 1187500.7910056250.0768.2929.9844.6616.5735127.5
HDA-VHX-400-800PDFPDFPDFPDF8006488064.810 to 1200000.8810060000.0865.5729.9844.6616.564085
HDA-VHX-300-900PDFPDFPDFPDF9007296048.615 to 1225000.810067500.0778.0429.9844.6616.5785127.5
HDA-VHX-500-1000PDFPDFPDFPDF10008101008110 to 1250000.9610075000.0978.5729.9844.661873310
HDA-VHX-350-1050PDFPDFPDFPDF10508507056.715 to 1262500.8110078750.0887.7929.9844.6616.5856127.5
HDA-VHX-600-1200PDFPDFPDFPDF120097212097.210 to 1300001.0310090000.191.5729.9844.661877310
HDA-VHX-400-1200PDFPDFPDFPDF12009728064.815 to 1300000.8810090000.0897.5429.9844.6616.5936127.5
HDA-VHX-500-1500PDFPDFPDFPDF150012151008115 to 1375000.96100112500.09117.0429.9844.66181076157.5
HDA-VHX-600-1800PDFPDFPDFPDF1800145812097.215 to 1450001.03100135000.1136.5429.9844.66181136157.5
Note: For Propane gas, turndown is 60% of stated natural gas turndown.