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 Vestibule Enclosure

– Complete indoor or outdoor rated Vestibule cabinet.
– 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.


Select An Efficiency:

81%80%

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 NumberPDFAlt PDFPDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHNat. Gas Turndown RatioMax Ind. HX Input# of HX'sMax CFMMax APD @ Min RiseMax Temp RiseMin CFMMin APD @ Max RiseDim ADim BDim CDim DWeight (Lbs.)Total Amps 120VTotal Amps 208V 230V
HDB-HHP-180-360-IPDFPDFPDF3602923629.1610 to 1180290000.026045000.0140.6653.8678.417.1585
HDB-HHP-200-400-IPDFPDFPDF4003244032.410 to 12002100000.026050000.0140.6653.8678.417.1585
HDB-HHP 225-450-IPDFPDFPDF4503644536.4510 to 12252112500.036056250.0140.6653.8678.417.1576385
HDB-HHP 250-500-IPDFPDFPDF5004055040.510 to 12502125000.046062500.0140.6653.8678.417.1572085
HDB-HHP 270-540-IPDFPDFPDF5404375443.7410 to 12702135000.056067500.0140.6653.8678.417.1580985
HDB-HHP-180-540-IPDFPDFPDF5404373629.1615 to 11803135000.026067500.0160.1653.8678.417.15127.5
HDB-HHP 300-600-IPDFPDFPDF6004866048.610 to 13002150000.066075000.0240.6653.8678.417.1580985
HDB-HHP-200-600-IPDFPDFPDF6004864032.415 to 12003150000.026075000.0160.1653.8678.417.15127.5
HDB-HHP 315-630-IPDFPDFPDF6305106351.0310 to 13152157500.086078750.0240.6653.8678.417.1585585
HDB-HHP 225-675-IPDFPDFPDF6755474536.4515 to 12253168750.036084380.0160.1653.8678.417.15931127.5
HDB-HHP 350-700-IPDFPDFPDF7005677056.710 to 13502175000.16087500.0340.6653.8678.417.1585585
HDB-HHP 700-700-IPDFPDFPDF7005677056.710 to 17001175000.1510052500.0230.6684.1178.422.1210728
HDB-HHP-180-720-IPDFPDFPDF7205833629.1620 to 11804180000.026090000.0179.6653.8678.417.151610
HDB-HHP 360-720-IPDFPDFPDF7205837258.3210 to 13602180000.126090000.0340.6653.8678.417.1587285
HDB-HHP 375-750-IPDFPDFPDF7506087560.7510 to 13752187500.136093750.0440.6653.8678.417.1590185
HDB-HHP 400-800-IPDFPDFPDF8006488064.810 to 14002200000.1460100000.0440.6653.8678.417.1590185
HDB-HHP-200-800-IPDFPDFPDF8006484032.420 to 12004200000.0260100000.0179.6653.8678.417.151610
HDB-HHP 800-800-IPDFPDFPDF8006488064.810 to 18001200000.199066670.0330.6684.1178.422.1210728
HDB-HHP 270-810-IPDFPDFPDF8106565443.7415 to 12703202500.0560101250.0160.1653.8678.417.151214127.5
HDB-HHP 300-900-IPDFPDFPDF9007296048.615 to 13003225000.0660112500.0260.1653.8678.417.151169127.5
HDB-HHP-180-900-IPDFPDFPDF9007293629.1625 to 11805225000.0260112500.0199.1653.8678.417.152012.5
HDB-HHP 900-900-IPDFPDFPDF9007299072.910 to 19001225000.248084380.0430.6684.1178.422.12111110
HDB-HHP 315-945-IPDFPDFPDF9457656351.0315 to 13153236250.0860118130.0260.1653.8678.417.151238127.5
HDB-HHP 1000-1000-IPDFPDFPDF10008101008110 to 110001250000.349083330.0530.6684.1178.422.12107210
HDB-HHP 500-1000-IPDFPDFPDF10008101008110 to 15002250000.2760125000.0845.6660.3778.420.1597910
HDB-HHP-200-1000-IPDFPDFPDF10008104032.425 to 12005250000.0260125000.0199.1653.8678.417.152012.5
HDB-HHP 250-1000-IPDFPDFPDF10008105040.520 to 12504250000.0460125000.0179.6653.8678.417.1514351610
HDB-HHP 350-1050-IPDFPDFPDF10508507056.715 to 13503262500.160131250.0360.1653.8678.417.151238127.5
HDB-HHP 360-1080-IPDFPDFPDF10808757258.3215 to 13603270000.1260135000.0360.1653.8678.417.151307127.5
HDB-HHP 270-1080-IPDFPDFPDF10808755443.7420 to 12704270000.0560135000.0179.6653.8678.417.1516181610
HDB-HHP 1100-1100-IPDFPDFPDF110089111089.110 to 111001275000.418597060.0630.6684.1178.422.12113610
HDB-HHP 375-1125-IPDFPDFPDF11259117560.7515 to 13753281250.1360140630.0460.1653.8678.417.151619127.5
HDB-HHP 600-1200-IPDFPDFPDF120097212097.210 to 16002300000.4660150000.1345.6666.8778.420.15108810
HDB-HHP 400-1200-IPDFPDFPDF12009728064.815 to 14003300000.1460150000.0460.1653.8678.417.151307127.5
HDB-HHP 1200-1200-IPDFPDFPDF120097212097.210 to 112001300000.4870128570.130.6684.1178.422.12113610
HDB-HHP 1250-1250-IPDFPDFPDF12501013125101.2510 to 112501312500.5265144230.1230.6684.1178.422.12113610
HDB-HHP 270-1350-IPDFPDFPDF135010945443.7425 to 12705337500.0560168750.0199.1653.8678.417.15202320
HDB-HHP 350-1400-IPDFPDFPDF140011347056.720 to 13504350000.160175000.0379.6653.8678.417.1517111610
HDB-HHP 700-1400-IPDFPDFPDF140011347056.720 to 17002350000.15100105000.0259.6684.1178.422.12172516
HDB-HHP 360-1440-IPDFPDFPDF144011667258.3220 to 13604360000.1260180000.0379.6653.8678.417.1517441610
HDB-HHP 375-1500-IPDFPDFPDF150012157560.7520 to 13754375000.1360187500.0479.6653.8678.417.1517111610
HDB-HHP 500-1500-IPDFPDFPDF150012151008115 to 15003375000.2760187500.0867.6660.3778.420.151437157.5
HDB-HHP 800-1600-IPDFPDFPDF160012968064.820 to 18002400000.1990133330.0359.6684.1178.422.12172516
HDB-HHP 400-1600-IPDFPDFPDF160012968064.820 to 14004400000.1460200000.0479.6653.8678.417.1517111610
HDB-HHP 350-1750-IPDFPDFPDF175014187056.725 to 13505437500.160218750.0399.1653.8678.417.1519992012.5
HDB-HHP 900-1800-IPDFPDFPDF180014589072.920 to 19002450000.2480168750.0459.6684.1178.422.12172520
HDB-HHP 600-1800-IPDFPDFPDF1800145812097.215 to 16003300000.4660150000.1367.6666.8778.420.151597207.5
HDB-HHP 360-1800-IPDFPDFPDF180014587258.3225 to 13605450000.1260225000.0399.1653.8678.417.15218020
HDB-HHP 375-1875-IPDFPDFPDF187515197560.7525 to 13755468750.1360234380.0499.1653.8678.417.1521142012.5
HDB-HHP 1000-2000-IPDFPDFPDF200016201008120 to 110002500000.3490166670.0559.6684.1178.422.12194520
HDB-HHP 400-2000-IPDFPDFPDF200016208064.825 to 14005500000.1460250000.0499.1653.8678.417.1521142012.5
HDB-HHP 500-2000-IPDFPDFPDF200016201008120 to 15004500000.2760250000.0889.6660.3778.420.15197420
HDB-HHP 700-2100-IPDFPDFPDF210017017056.730 to 17003525000.15100157500.0288.6684.1178.422.12208324
HDB-HHP 1100-2200-IPDFPDFPDF2200178211089.120 to 111002550000.4185194120.0659.6684.1178.422.12194520
HDB-HHP 600-2400-IPDFPDFPDF2400194412097.220 to 16004300000.4660150000.1389.6666.8778.420.15235020
HDB-HHP 1200-2400-IPDFPDFPDF2400194412097.220 to 112002600000.4870257140.159.6684.1178.422.12194520
HDB-HHP 800-2400-IPDFPDFPDF240019448064.830 to 18003600000.1990200000.0388.6684.1178.422.12208324
HDB-HHP 500-2500-IPDFPDFPDF250020251008125 to 15005625000.2760312500.08111.6660.3778.420.15259025
HDB-HHP 1250-2500-IPDFPDFPDF25002025125101.2520 to 112502625000.5265288460.1259.6684.1178.422.12194520
HDB-HHP 900-2700-IPDFPDFPDF270021879072.930 to 19003675000.2480253130.0488.6684.1178.422.12215830
HDB-HHP 700-2800-IPDFPDFPDF280022687056.740 to 17004700000.15100210000.02117.6684.1178.422.12339232
HDB-HHP 1000-3000-IPDFPDFPDF300024301008130 to 110003750000.3490250000.0588.6684.1178.422.12277030
HDB-HHP 600-3000-IPDFPDFPDF3000243012097.225 to 16005300000.4660150000.13111.6666.8778.420.15227525
HDB-HHP 800-3200-IPDFPDFPDF320025928064.840 to 18004800000.1990266670.03117.6684.1178.422.12339232
HDB-HHP 1100-3300-IPDFPDFPDF3300267311089.130 to 111003825000.4185291180.0688.6684.1178.422.12277030
HDB-HHP 1200-3600-IPDFPDFPDF3600291612097.230 to 112003900000.4870385710.188.6684.1178.422.12277030
HDB-HHP 900-3600-IPDFPDFPDF360029169072.940 to 19004900000.2480337500.04117.6684.1178.422.12337540
HDB-HHP 1250-3750-IPDFPDFPDF37503038125101.2530 to 112503937500.5265432690.1288.6684.1178.422.12277030
HDB-HHP 1000-4000-IPDFPDFPDF400032401008140 to 1100041000000.3490333330.05117.6684.1178.422.12359540
HDB-HHP 1100-4400-IPDFPDFPDF4400356411089.140 to 1110041100000.4185388240.06117.6684.1178.422.12359540
HDB-HHP 1200-4800-IPDFPDFPDF4800388812097.240 to 1120041200000.4870514290.1117.6684.1178.422.12359540
HDB-HHP 1250-5000-IPDFPDFPDF50004050125101.2540 to 1125041250000.5265576920.12117.6684.1178.422.12359540
Note: For Propane gas, turndown is 60% of stated natural gas turndown.

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 NumberPDFAlt PDFPDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHNat. Gas Turndown RatioMax Ind. HX Input# of HX'sMax CFMMax APD @ Min RiseMax Temp RiseMin CFMMin APD @ Max RiseDim ADim BDim CDim DWeight (Lbs.)Total Amps 120VTotal Amps 208V 230V
HDB-HHP 225-450-IPDFPDFPDFPDF450360453610 to 12252166670.066055560.0136.453.89791776385
HDB-HHP 250-500-IPDFPDFPDFPDF500400504010 to 12502185190.086061730.0136.453.89791772085
HDB-HHP 270-540-IPDFPDFPDFPDF540432544310 to 12702200000.116066670.0136.453.89791780985
HDB-HHP 300-600-IPDFPDFPDFPDF600480604810 to 13002222220.136074070.0236.453.89791780985
HDB-HHP 315-630-IPDFPDFPDFPDF630504635010 to 13152233330.176077780.0236.453.89791785585
HDB-HHP 225-675-IPDFPDFPDFPDF675540453615 to 12253250000.066083330.0153.853.897917931127.5
HDB-HHP 700-700-IPDFN/aN/aPDFPDF700560705610 to 17001259260.3110051850.0230.7784.1178.7822.0810728
HDB-HHP 350-700-IPDFPDFPDFPDF700560705610 to 13502259260.26086420.0336.453.89791785585
HDB-HHP 360-720-I7205767257.610 to 13602266660.246088880.0387285
HDB-HHP 375-750-IPDFPDFPDFPDF750600756010 to 13752277780.266092590.0436.453.89791790185
HDB-HHP 800-800-IPDFN/aN/aPDFPDF800640806410 to 18001296300.399065840.0230.7784.1178.7822.0810728
HDB-HHP 400-800-IPDFPDFPDFPDF800640806410 to 14002296300.36098770.0436.453.89791790185
HDB-HHP 270-810-I8106488164.815 to 12703300000.116010000.50.01127.5
HDB-HHP 300-900-IPDFPDFPDFPDF900720604815 to 13003333330.1360111110.0253.853.8979171169127.5
HDB-HHP 900-900-IPDFN/aN/aPDFPDF900720907210 to 19001333330.488083330.0430.7784.1178.7822.08111110
HDB-HHP 315-945-IPDFPDFPDFPDF945756635015 to 13153350000.1760116670.0253.853.8979171238127.5
HDB-HHP 250-1000-IPDFPDFPDFPDF1000800504020 to 12504370370.0860123460.0171.253.89791714351610
HDB-HHP 1000-1000-IPDFN/aN/aPDFPDF10008001008010 to 110001370370.719082300.0430.784.117922113610
HDB-HHP 500-1000-IPDFPDFPDFPDF10008001008010 to 15001370370.5660123460.2745.7760.3778.8920.1597910
HDB-HHP 350-1050-IPDFPDFPDFPDF1050840705615 to 13503388890.260129630.0353.853.8979171238127.5
HDB-HHP 270-1080-I108086410886.420 to 12704400000.1160133340.011610
HDB-HHP 360-1080-IPDFPDFPDFPDF108086410886.415 to 13603400000.2460133330.0353.853.8979171307127.5
HDB-HHP 1100-1100-IPDFN/aN/aPDFPDF11008801108810 to 111001407410.848595860.0630.7784.1178.7822.08113610
HDB-HHP 375-1125-IPDFPDFPDFPDF1125900756015 to 13753416670.2660138890.0453.853.8979171619127.5
HDB-HHP 600-1200-IPDFPDFPDFPDF12009601209610 to 16002444440.9460148150.1245.7766.8778.8920.15108810
HDB-HHP 1200-1200-IPDFN/aN/aPDFPDF12009601209610 to 112001444440.9970126980.130.784.117922113610
HDB-HHP 400-1200-IPDFPDFPDFPDF1200960806415 to 14003444440.360148150.0453.83553.8979171307127.5
HDB-HHP 1250-1250-IPDFN/aN/aPDFPDF1250100012510010 to 112501462961.0765142450.1230.784.117922113610
HDB-HHP 270-1350-I1350108013510825 to 12705500000.1160133340.0120
HDB-HHP 700-1400-IPDFN/aN/aPDFPDF14001120705620 to 17002518520.31100103700.0259.7784.1178.7822.08172516
HDB-HHP 350-1400-IPDFPDFPDFPDF14001120705620 to 13504518520.260172840.0371.253.89791717111610
HDB-HHP 360-1440-I14401152144115.220 to 13604533320.2460177760.0317441610
HDB-HHP 375-1500-IPDFPDFPDFPDF15001200756020 to 13754555560.2660185190.0471.253.89791717111610
HDB-HHP 500-1500-IPDFPDFPDFPDF150012001008015 to 15003555560.5660185190.0767.7560.3779221437157.5
HDB-HHP 400-1600-IPDFPDFPDFPDF16001280806420 to 14004592590.360197530.0471.253.89791717111610
HDB-HHP 800-1600-IPDFN/aN/aPDFPDF16001280806420 to 18002592590.3990131690.0259.7784.1178.7822.08172516
HDB-HHP 350-1750-IPDFPDFPDFPDF17501400705625 to 13505648150.260216050.0388.553.89791719992012.5
HDB-HHP 360-1800-I1800144018014425 to 13605666650.2460222200.03218020
HDB-HHP 900-1800-IPDFN/aN/aPDFPDF18001440907220 to 19002666670.4980166670.0459.7784.1178.7822.08178920
HDB-HHP 600-1800-IPDFPDFPDFPDF180014401209615 to 16003666670.9460222220.1267.7566.8779221597157.5
HDB-HHP 375-1875-IPDFPDFPDFPDF18751500756025 to 13755694440.2660231480.0488.553.89791721142012.5
HDB-HHP 1000-2000-IPDFN/aN/aPDFPDF200016001008020 to 110002740740.7190164610.0459.7584.117922194520
HDB-HHP 400-2000-IPDFPDFPDFPDF20001600806425 to 14005740740.360246910.0488.553.89791721142012.5
HDB-HHP 500-2000-IPDFPDFPDFPDF200016001008020 to 15004740740.5660246910.0789.7760.3778.8920.15197420
HDB-HHP 700-2100-IPDFN/aN/aPDFPDF21001680705630 to 17003777780.31100155560.0288.7784.1178.7822.08208324
HDB-HHP 1100-2200-IPDFN/aN/aPDFPDF220017601108820 to 111002814810.8485191720.0659.7784.1178.7822.08194520
HDB-HHP 800-2400-IPDFN/aN/aPDFPDF24001920806430 to 18003888890.3990197530.0288.7784.1178.7822.08208324
HDB-HHP 1200-2400-IPDFN/aN/aPDFPDF240019201209620 to 112002888890.9970253970.159.7584.117922194520
HDB-HHP 600-2400-IPDFPDFPDFPDF240019201209620 to 16004888890.9460296300.1289.7766.8778.8920.15235020
HDB-HHP 1250-2500-IPDFN/aN/aPDFPDF2500200012510020 to 112502925931.0765284900.1259.7584.117922194520
HDB-HHP 500-2500-IPDFPDFPDFPDF250020001008025 to 15005925930.5660308640.07111.7760.3778.8920.15259025
HDB-HHP 900-2700-IPDFN/aN/aPDFPDF27002160907230 to 190031000000.4880250000.0488.7784.1178.7822.08215830
HDB-HHP 700-2800-IPDFN/aN/aPDFPDF28002240705640 to 170041037040.31100207410.02117.7784.1178.7822.08339232
HDB-HHP 1000-3000-IPDFN/aN/aPDFPDF300024001008030 to 1100031111110.7190246910.0488.7584.117922277030
HDB-HHP 600-3000-IPDFPDFPDFPDF300024001209625 to 160051111110.9460370370.12111.7766.8778.8920.15227525
HDB-HHP 800-3200-IPDFN/aN/aPDFPDF32002560806440 to 180041185190.3990263370.02117.7784.1178.7822.08339232
HDB-HHP 1100-3300-IPDFN/aN/aPDFPDF330026401108830 to 1110031222220.8485287580.0688.7784.1178.7822.08277030
HDB-HHP 900-3600-IPDFN/aN/aPDFPDF36002880907240 to 190041333330.4880333330.04117.7784.1178.7822.08337540
HDB-HHP 1200-3600-IPDFN/aN/aPDFPDF360028801209630 to 1120031333330.9970380950.188.7584.117922277030
HDB-HHP 1250-3750-IPDFN/aN/aPDFPDF3750300012510030 to 1125031388891.0765427350.1288.7584.117922277030
HDB-HHP 1000-4000-IPDFN/aN/aPDFPDF400032001008040 to 1100041481480.7190329220.04117.7584.117922359540
HDB-HHP 1100-4400-IPDFN/aN/aPDFPDF440035201108840 to 1110041629630.8485383440.06117.7784.1178.7822.08359540
HDB-HHP 1200-4800-IPDFN/aN/aPDFPDF480038401209640 to 1120041777780.9970507940.1117.7584.117922359540
HDB-HHP 1250-5000-IPDFN/aN/aPDFPDF5000400012510040 to 1125041851851.0765569800.12117.7584.117922359540
Note: For Propane gas, turndown is 60% of stated natural gas turndown.