Standard Rack Assembly

– 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.

Weatherproof  Enclosure

– Complete weatherproof vestibule and cabinet with duct flanges.
– Large, hinged galvanized steel door for easy access to components and controls.
– Fresh air intakes assure adequate combustion air supply.
– All heaters pre-wired to marked terminal strip for electrical supply.
– Insulated vent connectors to prevent heat build-up in cabinet.

Indoor Venting Kit

– Custom HeatFab, SAF-T AL294C stainless construction.
– Category 1 rated common vent system to B-vent adapter.
– Provides proper venting of flue gases and prevents flue gas recirculation into burner combustion air supply.

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

Note: You must be logged in to view CAD, Gas Train and Wiring Diagram files.
Model NumberStd PDF Alt PDF PDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHMax Avail. Turndown (Nat)Max Ind HX Input# of HX'sMax CFM @ Min RiseAPD @ Min RiseMax Temp RiseMin CFM @ Max RiseAPD @ Max RiseDim. ADim. BDim. CDim. DWeight (Lbs.)Total Amps 120VTotal Amps 208V 230V
HDB-VHP-225-450-I-WPDFPDFPDFPDF450360453610 to 12252166670.329037040.0256.1465.1381.9716.78N/a85
HDB-VHP-250-500-I-WPDFPDFPDFPDF500400504010 to 12502185190.399041150.0256.1465.1381.9716.78N/a85
HDB-VHP-270-540-I-WPDFPDFPDFPDF540432544310 to 12702200000.369044440.0262.6465.1381.9716.78N/a85
HDB-VHP-300-600-I-WPDFPDFPDFPDF600480604810 to 13002222220.449049380.0362.6465.1381.9716.78N/a85
HDB-VHP-315-630-I-WPDFPDFPDFPDF630504635010 to 13152233330.409051850.0269.1465.1381.9716.78N/a85
HDB-VHP-225-675-I-WPDFPDFPDFPDF675540453615 to 12253250000.329055560.0279.7665.1381.9716.78N/a127.5
HDB-VHP-350-700-I-WPDFPDFPDFPDF700560705610 to 13502259260.489057610.0369.1465.1381.9716.78N/a85
HDB-VHP-375-750-I-WPDFPDFPDFPDF750600756010 to 13752277780.469061730.0375.6465.1381.9716.78N/a85
HDB-VHP-400-800-I-WPDFPDFPDFPDF800640806410 to 14002296300.529065840.0375.6465.1381.9716.78N/a85
HDB-VHP-300-900-I-WPDFPDFPDFPDF900720604815 to 13003333330.449074070.0389.5165.1381.9716.78N/a127.5
HDB-VHP-315-945-I-WPDFPDFPDFPDF945756635015 to 13153350000.409077780.0299.2665.1381.9716.78N/a127.5
HDB-VHP-250-1000-I-WPDFPDFPDFPDF1000800504020 to 12504370370.399082300.02103.3865.1381.9716.78N/a1610
HDB-VHP-500-1000-I-WPDFPDFPDFPDF10008001008010 to 15002370370.577598770.0588.6469.7482.216.78N/a105
HDB-VHP-350-1050-I-WPDFPDFPDFPDF1050840705615 to 13503388890.489086420.0399.2665.1381.9716.78N/a127.5
HDB-VHP-400-1200-I-WPDFPDFPDFPDF1200960806415 to 14003444440.529098770.03109.0165.1381.9716.78N/a127.5
HDB-VHP-600-1200-I-WPDFPDFPDFPDF120010001209610 to 16002444440.6175118520.05101.6469.7482.219.8N/a105
HDB-VHP-500-1500-I-WPDFPDFPDFPDF150012001008015 to 15003555560.5775148150.05128.5169.7482.219.8N/a157.5
HDB-VHP-600-1800-I-WPDFPDFPDFPDF180014401209615 to 16003666670.6175177780.05148.0169.7482.219.8N/a157.5
Note: For Propane gas, turndown is 60% of stated natural gas turndown.