1-800-554-1007 sales@heatco.com Products ▼ What’s New? Parts Documents Videos FAQ ▼ Calculators ▼ Contact Us Register or Log In ▼ HDB-HHP Outdoor Cabinet Units 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. Outdoor Venting Kit – Vent riser assembly with integral rain cap. – 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. Max Input MBH 1000 1050 1080 1125 1200 1250 1400 1500 1600 1750 1800 1875 2000 2400 2500 3000 3600 3750 4000 450 4800 500 5000 540 600 630 675 700 750 800 900 945 Search: Model-Number Std PDF Alt PDF PDF of Gas Train PDF of Wiring Diagram Max Input MBH Max Output MBH Min Input MBH Min Output MBH Max Avail. Turndown (Nat) Max Ind. HX Input # of HX's Max CFM @ Min Rise APD @ Min Rise Max Temp Rise Min CFM @ Max Rise APD @ Max Rise Dim. A Dim. B Dim. C Dim. D Weight (Lbs.) Total Amps 120V Total Amps 208V 230V HDB-HHP 225-450-O-W PDF PDF PDF PDF 450 360 45 36 10 to 1 225 2 16667 0.06 60 5556 0.01 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 250-500-O-W PDF PDF PDF PDF 500 400 50 40 10 to 1 250 2 18519 0.08 60 6173 0.01 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 270-540-O-W PDF PDF PDF PDF 540 432 54 43 10 to 1 270 2 20000 0.11 60 6667 0.01 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 300-600-O-W PDF PDF PDF PDF 600 480 60 48 10 to 1 300 2 22222 0.13 60 7407 0.02 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 315-630-O-W PDF PDF PDF PDF 630 504 63 50 10 to 1 315 2 23333 0.17 60 7778 0.02 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 225-675-O-W PDF PDF PDF PDF 675 540 45 36 15 to 1 225 3 25000 0.06 60 8333 0.01 61.01 70.93 82.09 16.73 N/a 12 7.5 HDB-HHP 350-700-O-W PDF PDF PDF PDF 700 560 70 56 10 to 1 350 2 25926 0.2 60 8642 0.03 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 375-750-O-W PDF PDF PDF PDF 750 600 75 60 10 to 1 375 2 27778 0.26 60 9259 0.04 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 400-800-O-W PDF PDF PDF PDF 800 640 80 64 10 to 1 400 2 29630 0.3 60 9877 0.04 43.64 70.93 82.09 16.73 N/a 8 5 HDB-HHP 300-900-O-W PDF PDF PDF PDF 900 720 60 48 15 to 1 300 3 33333 0.13 60 11111 0.02 61.01 70.93 82.09 16.73 N/a 12 7.5 HDB-HHP 315-945-O-W PDF PDF PDF PDF 945 756 63 50 15 to 1 315 3 35000 0.17 60 11667 0.02 61.01 70.93 82.09 16.73 N/a 12 7.5 HDB-HHP 1000-1000-O-W PDF N/a N/a PDF PDF 1000 800 100 80 10 to 1 1000 1 37037 0.71 90 8230 0.04 37.9 101.16 82.09 21.74 N/a 10 N/a HDB-HHP 250-1000-O-W PDF PDF PDF PDF 1000 800 50 40 20 to 1 250 4 37037 0.08 60 12346 0.01 78.38 70.93 82.09 16.73 N/a 16 10 HDB-HHP 350-1050-O-W PDF PDF PDF PDF 1050 840 70 56 15 to 1 350 3 38889 0.2 60 12963 0.03 61.01 70.93 82.09 16.73 N/a 12 7.5 HDB-HHP 360-1080-O-W PDF PDF PDF PDF 1080 864 72 58 15 to 1 360 3 40000 0.24 60 13333 0.03 61.01 70.93 82.09 16.73 N/a 12 7.5 HDB-HHP 375-1125-O-W PDF PDF PDF PDF 1125 900 75 60 15 to 1 375 3 41667 0.26 60 13889 0.04 61.01 70.93 82.09 16.73 N/a 12 7.5 HDB-HHP 1200-1200-O-W PDF N/a N/a PDF PDF 1200 960 120 96 10 to 1 1200 1 44444 0.99 70 12698 0.1 37.9 101.16 82.09 21.74 N/a 10 N/a HDB-HHP 400-1200-O-W PDF PDF PDF PDF 1200 960 80 64 15 to 1 400 3 44444 0.3 60 14815 0.04 61.01 70.93 82.09 16.73 N/a 12 7.5 HDB-HHP 1250-1250-O-W PDF N/a N/a PDF PDF 1250 1000 125 100 10 to 1 1250 1 46296 1.07 65 14245 0.12 37.9 101.16 82.09 21.74 N/a 10 N/a HDB-HHP 350-1400-O-W PDF PDF PDF PDF 1400 1120 70 56 20 to 1 350 4 51852 0.2 60 17284 0.03 78.38 70.93 82.09 16.73 N/a 16 10 HDB-HHP 375-1500-O-W PDF PDF PDF PDF 1500 1200 75 60 20 to 1 375 4 55556 0.26 60 18519 0.04 78.38 70.93 82.09 16.73 N/a 16 10 HDB-HHP 500-1500-O-W PDF PDF PDF PDF 1500 1200 100 80 15 to 1 500 3 37037 1.98 60 12346 0.27 74.9 77.41 82.09 19.81 N/a 15 7.5 HDB-HHP 400-1600-O-W PDF PDF PDF PDF 1600 1280 80 64 20 to 1 400 4 59259 0.3 60 19753 0.04 78.38 70.93 82.09 16.73 N/a 16 10 HDB-HHP 350-1750-O-W PDF PDF PDF PDF 1750 1400 70 56 25 to 1 350 5 64815 0.2 60 21605 0.03 95.75 70.93 82.09 16.73 N/a 20 12.5 HDB-HHP 600-1800-O-W PDF PDF PDF PDF 1800 1440 120 96 15 to 1 600 3 66667 0.94 60 22222 0.12 74.9 83.91 82.09 19.81 N/a 15 7.5 HDB-HHP 375-1875-O-W PDF PDF PDF PDF 1875 1500 75 60 25 to 1 375 5 69444 0.26 60 23148 0.04 95.75 70.93 82.09 16.73 N/a 20 12.5 HDB-HHP 1000-2000-O-W PDF N/a N/a PDF PDF 2000 1600 100 80 20 to 1 1000 2 74074 0.71 90 16461 0.04 66.9 101.16 82.09 21.74 N/a 20 N/a HDB-HHP 400-2000-O-W PDF PDF PDF PDF 2000 1600 80 64 25 to 1 400 5 74074 0.3 60 24691 0.04 95.75 70.93 82.09 16.73 N/a 20 12.5 HDB-HHP 1200-2400-O-W PDF N/a N/a PDF PDF 2400 1920 120 96 20 to 1 1200 2 88889 0.99 70 25397 0.1 66.9 101.16 82.09 21.74 N/a 20 N/a HDB-HHP 1250-2500-O-W PDF N/a N/a PDF PDF 2500 2000 125 100 20 to 1 1250 2 92593 1.07 65 28490 0.12 66.9 101.16 82.09 21.74 N/a 20 N/a HDB-HHP 1000-3000-O-W PDF N/a N/a PDF PDF 3000 2400 100 80 30 to 1 1000 3 111111 0.71 90 24691 0.04 95.9 101.16 82.09 21.74 N/a 30 N/a HDB-HHP 1200-3600-O-W PDF N/a N/a PDF PDF 3600 2880 120 96 30 to 1 1200 3 133333 0.99 70 38095 0.1 95.9 101.16 82.09 21.74 N/a 30 N/a HDB-HHP 1250-3750-O-W PDF N/a N/a PDF PDF 3750 3000 125 100 30 to 1 1250 3 138889 1.07 65 42735 0.12 95.9 101.16 82.09 21.74 N/a 30 N/a HDB-HHP 1000-4000-O-W PDF N/a N/a PDF PDF 4000 3200 100 80 40 to 1 1000 4 148148 0.71 90 32922 0.04 124.9 101.16 82.09 21.74 N/a 40 N/a HDB-HHP 1200-4800-O-W PDF N/a N/a PDF PDF 4800 3840 120 96 40 to 1 1200 4 177778 0.99 70 50794 0.1 124.9 101.16 82.09 21.74 N/a 40 N/a HDB-HHP 1250-5000-O-W PDF N/a N/a PDF PDF 5000 4000 125 100 40 to 1 1250 4 185185 1.07 65 56980 0.12 124.9 101.16 82.09 21.74 N/a 40 N/a Note: For Propane gas, turndown is 60% of stated natural gas turndown. 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