– 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

Note: You must be logged in to view CAD, Gas Train and Wiring Diagram files.
Model NumberPDF  Alt PDF  PDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHMax Avail. Turndown (Nat)Max CFMMax APD @ Min RiseMax Temp RiseMin CFMMin APD @ Max RiseDim ADim BDim CDim DWeight (Lbs.)Total Amps 120VTotal Amps 208V 230V
HDB-HHX 225-450PDFPDFPDFPDF450360453610 to 1166670.066055560.0136.435791762385
HDB-HHX 250-500PDFPDFPDFPDF500400504010 to 1185190.086061730.0136.435791762385
HDB-HHX 270-540PDFPDFPDFPDF540432544310 to 1200000.116066670.0136.435791766985
HDB-HHX 300-600PDFPDFPDFPDF600480604810 to 1222220.136074070.0236.435791766985
HDB-HHX 315-630PDFPDFPDFPDF630504635010 to 1233330.176077780.0236.435791771585
HDB-HHX 225-675PDFPDFPDFPDF675540453615 to 1250000.066083330.0153.8357917756127.5
HDB-HHX 700-700PDFN/aN/aN/aPDF700560705610 to 1259260.3110051850.0230.674878.81197868
HDB-HHX 350-700PDFPDFPDFPDF700560705610 to 1259260.26086420.0336.435791771585
HDB-HHX 375-750PDFPDFPDFPDF750600756010 to 1277780.266092590.0436.435791776185
HDB-HHX 800-800PDFN/aN/aN/aPDF800640806410 to 1296300.399065840.0230.674878.81197868
HDB-HHX 400-800PDFPDFPDFPDF800640806410 to 1296300.36098770.0436.435791776185
HDB-HHX 900-900PDFN/aN/aN/aPDF900720907210 to 1333330.488083330.0430.674878.811981110
HDB-HHX 300-900PDFPDFPDFPDF900720604815 to 1333330.1360111110.0253.8357917987127.5
HDB-HHX 315-945PDFPDFPDFPDF945756635015 to 1350000.1760116670.0253.83579171056127.5
HDB-HHX 500-1000PDFPDFPDFPDF10008001008010 to 1370370.5660123460.2745.6741.579.051981610
HDB-HHX 250-1000PDFPDFPDFPDF1000800504020 to 1370370.0860123460.0171.235791712121610
HDB-HHX 1000-1000PDFN/aN/aPDFPDF10008001008010 to 1370370.719082300.0430.748792285010
HDB-HHX 350-1050PDFPDFPDFPDF1050840705615 to 1388890.260129630.0353.83579171056127.5
HDB-HHX 360-1080PDFPDFPDFPDF1080864725815 to 1400000.2460133330.0353.83579171125127.5
HDB-HHX 1100-1100PDFN/aN/aPDFPDF11008801108810 to 1407410.848595860.0630.674878.811985010
HDB-HHX 375-1125PDFPDFPDFPDF1125900756015 to 1416670.2660138890.0453.83579171125127.5
HDB-HHX 400-1200PDFPDFPDFPDF1200960806415 to 1444440.360148150.0453.83579171125127.5
HDB-HHX 600-1200PDFPDFPDFPDF12009601209610 to 1444440.9460148150.1245.674879.051990710
HDB-HHX 1200-1200PDFN/aN/aPDFPDF12009601209610 to 1444440.9970126980.130.748792285010
HDB-HHX 1250-1250PDFN/aN/aPDFPDF1250100012510010 to 1462961.0765142450.1230.748792285010
HDB-HHX 350-1400PDFPDFPDFPDF14001120705620 to 1518520.260172840.0371.235791713961610
HDB-HHX 700-1400PDFN/aN/aN/aPDF14001120705620 to 1518520.31100103700.0259.674878.8119142916
HDB-HHX 375-1500PDFPDFPDFPDF15001200756020 to 1555560.2660185190.0471.235791714881610
HDB-HHX 500-1500PDFPDFPDFPDF150012001008015 to 1555560.5660185190.0767.7541.579221237157.5
HDB-HHX 400-1600PDFPDFPDFPDF16001280806420 to 1592590.360197530.0471.235791714881610
HDB-HHX 800-1600PDFN/aN/aN/aPDF16001280806420 to 1592590.3990131690.0259.674878.8119142916
HDB-HHX 350-1750PDFPDFPDFPDF17501400705625 to 1648150.260216050.0388.535791717372012.5
HDB-HHX 900-1800PDFN/aN/aN/aPDF18001440907220 to 1666670.4980166670.0459.674878.8119147520
HDB-HHX 600-1800PDFPDFPDFPDF180014401209615 to 1666670.9460222220.1267.754879221374157.5
HDB-HHX 375-1875PDFPDFPDFPDF18751500756025 to 1694440.2660231480.0488.535791718522012.5
HDB-HHX 500-2000PDFPDFPDFPDF200016001008020 to 1740740.5660246910.0789.6741.579.0519164520
HDB-HHX 400-2000PDFPDFPDFPDF20001600806425 to 1740740.360246910.0488.535791718522012.5
HDB-HHX 1000-2000PDFN/aN/aPDFPDF200016001008020 to 1740740.7190164610.0459.75487922154420
HDB-HHX 700-2100PDFN/aN/aN/aPDF21001680705630 to 1777780.31100155560.0288.674878.8119203024
HDB-HHX 1100-2200PDFN/aN/aPDFPDF220017601108820 to 1814810.8485191720.0659.674878.8119154420
HDB-HHX 800-2400PDFN/aN/aN/aPDF24001920806430 to 1888890.3990197530.0288.674878.8119203024
HDB-HHX 600-2400PDFPDFPDFPDF240019201209620 to 1888890.9460296300.1289.674879.0519159420
HDB-HHX 1200-2400PDFN/aN/aPDFPDF240019201209620 to 1888890.9970253970.159.75487922154420
HDB-HHX 1250-2500PDFN/aN/aPDFPDF2500200012510020 to 1925931.0765284900.1259.75487922154420
HDB-HHX 500-2500PDFPDFPDFPDF250020001008025 to 1925930.5660308640.07111.6741.579.0519188325
HDB-HHX 900-2700PDFN/aN/aN/aPDF27002160907230 to 11000000.4880250000.0488.674878.8119210530
HDB-HHX 700-2800PDFN/aN/aN/aPDF28002240705640 to 11037040.31100207410.02117.674878.8119270632
HDB-HHX 1000-3000PDFN/aN/aPDFPDF300024001008030 to 11111110.7190246910.0488.75487922222230
HDB-HHX 600-3000PDFPDFPDFPDF300024001209625 to 11111110.9460370370.12111.674879.0519203925
HDB-HHX 800-3200PDFN/aN/aN/aPDF32002560806440 to 11185190.3990263370.02117.674878.8119270632
HDB-HHX 1100-3300PDFN/aN/aPDFPDF330026401108830 to 11222220.8485287580.0688.674878.8119222230
HDB-HHX 900-3600PDFN/aN/aN/aPDF36002880907240 to 11333330.4880333330.04117.674878.8119280640
HDB-HHX 1200-3600PDFN/aN/aPDFPDF360028801209630 to 11333330.9970380950.188.75487922222230
HDB-HHX 1250-3750PDFN/aN/aPDFPDF3750300012510030 to 11388891.0765427350.1288.75487922222230
HDB-HHX 1000-4000PDFN/aN/aPDFPDF400032001008040 to 11481480.7190329220.04117.75487922296240
HDB-HHX 1100-4400PDFN/aN/aPDFPDF440035201108840 to 11629630.8485383440.06117.674878.8119296240
HDB-HHX 1200-4800PDFN/aN/aPDFPDF480038401209640 to 11777780.9970507940.1117.75487922296240
HDB-HHX 1250-5000PDFN/aN/aPDFPDF5000400012510040 to 11851851.0765569800.12117.75487922296240
Note: For Propane gas, turndown is 60% of stated natural gas turndown.