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.
Indoor Venting Kit
– Custom Heat Fab, 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:
Application Guidelines Product Specification User Guidelines OEM Instructions Submittal / Order Information
| Model Number | Alt PDF | PDF of Gas Train | PDF of Wiring Diagram | Max Input MBH | Max Output MBH | Min Input MBH | Min Output MBH | Nat. Gas Turndown Ratio | Max Ind. HX Input | # of HX's | Max CFM | Max APD @ Min Rise | Max Temp Rise | Min CFM | Min APD @ Max Rise | Dim A | Dim B | Dim C | Dim D | Weight (Lbs.) | Total Amps 120V | Total Amps 208V 230V | Dim E | Dim F | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HDA-VHX-250-500-I | 500 | 405 | 50 | 40.5 | 10 to 1 | 250 | 2 | 12500 | 0.79 | 100 | 3750 | 0.07 | 46.07 | 29.98 | 44.66 | 16.5 | 490 | 8 | 5 | ||||||||||
| HDA-VHX-300-600-I | 600 | 486 | 60 | 48.6 | 10 to 1 | 300 | 2 | 15000 | 0.8 | 100 | 4500 | 0.07 | 52.57 | 29.98 | 44.66 | 16.5 | 533 | 8 | 5 | ||||||||||
| HDA-VHX-350-700-I | 700 | 567 | 70 | 56.7 | 10 to 1 | 350 | 2 | 17500 | 0.81 | 100 | 5250 | 0.08 | 59.07 | 29.98 | 44.66 | 16.5 | 587 | 8 | 5 | ||||||||||
| HDA-VHX-400-800-I | 800 | 648 | 80 | 64.8 | 10 to 1 | 400 | 2 | 20000 | 0.88 | 100 | 6000 | 0.08 | 65.57 | 29.98 | 44.66 | 16.5 | 640 | 8 | 5 | ||||||||||
| HDA-VHX-300-900-I | 900 | 729 | 60 | 48.6 | 15 to 1 | 300 | 3 | 22500 | 0.8 | 100 | 6750 | 0.07 | 78.04 | 29.98 | 44.66 | 16.5 | 785 | 12 | 7.5 | ||||||||||
| HDA-VHX-500-1000-I | 1000 | 810 | 100 | 81 | 10 to 1 | 500 | 2 | 25000 | 0.96 | 100 | 7500 | 0.09 | 78.57 | 29.98 | 44.66 | 18 | 733 | 10 | |||||||||||
| HDA-VHX-350-1050-I | 1050 | 850 | 70 | 56.7 | 15 to 1 | 350 | 3 | 26250 | 0.81 | 100 | 7875 | 0.08 | 87.79 | 29.98 | 44.66 | 16.5 | 856 | 12 | 7.5 | ||||||||||
| HDA-VHX-600-1200-I | 1200 | 972 | 120 | 97.2 | 10 to 1 | 600 | 2 | 30000 | 1.03 | 100 | 9000 | 0.1 | 91.57 | 29.98 | 44.66 | 18 | 773 | 10 | |||||||||||
| HDA-VHX-400-1200-I | 1200 | 972 | 80 | 64.8 | 15 to 1 | 400 | 3 | 30000 | 0.88 | 100 | 9000 | 0.08 | 97.54 | 29.98 | 44.66 | 16.5 | 936 | 12 | 7.5 | ||||||||||
| HDA-VHX-500-1500-I | 1500 | 1215 | 100 | 81 | 15 to 1 | 500 | 3 | 37500 | 0.96 | 100 | 11250 | 0.09 | 117.04 | 29.98 | 44.66 | 18 | 1076 | 15 | 7.5 | ||||||||||
| HDA-VHX-600-1800-I | 1800 | 1458 | 120 | 97.2 | 15 to 1 | 600 | 3 | 45000 | 1.03 | 100 | 13500 | 0.1 | 136.54 | 29.98 | 44.66 | 18 | 1136 | 15 | 7.5 |
Application Guidelines Product Specification User Guidelines OEM Instructions Submittal / Order Information
| Model Number | Alt PDF | PDF of Gas Train | PDF of Wiring Diagram | Max Input MBH | Max Output MBH | Min Input MBH | Min Output MBH | Nat. Gas Turndown Ratio | Max Ind. HX Input | # of HX's | Max CFM | Max APD @ Min Rise | Max Temp Rise | Min CFM | Min APD @ Max Rise | Dim A | Dim B | Dim C | Dim D | Weight (Lbs.) | Total Amps 120V | Total Amps 208V 230V | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HDA-VHX-250-500-I | 500 | 400 | 50 | 40 | 10 to 1 | 250 | 2 | 18519 | 0.83 | 100 | 3704 | 0.04 | 46.1 | 30 | 47.4 | 17 | 490 | 8 | 5 | ||||||||
| HDA-VHX-300-600-I | 600 | 480 | 60 | 48 | 10 to 1 | 300 | 2 | 22222 | 0.97 | 100 | 4444 | 0.05 | 51.6 | 30 | 47.4 | 17 | 533 | 8 | 5 | ||||||||
| HDA-VHX-350-700-I | 700 | 560 | 70 | 56 | 10 to 1 | 350 | 2 | 25926 | 1.09 | 100 | 5185 | 0.06 | 59.1 | 30 | 47.4 | 17 | 587 | 8 | 5 | ||||||||
| HDA-VHX-400-800-I | 800 | 640 | 80 | 64 | 10 to 1 | 400 | 2 | 29630 | 1.2 | 100 | 5926 | 0.06 | 65.7 | 30 | 47.4 | 17 | 640 | 8 | 5 | ||||||||
| HDA-VHX-300-900-I | 900 | 720 | 60 | 48 | 15 to 1 | 300 | 3 | 33333 | 0.97 | 100 | 6667 | 0.05 | 78 | 30 | 47.4 | 17 | 785 | 12 | 7.5 | ||||||||
| HDA-VHX-500-1000-I | 1000 | 800 | 100 | 80 | 10 to 1 | 500 | 2 | 37037 | 1.38 | 100 | 7407 | 0.07 | 78.6 | 30 | 47.4 | 20 | 733 | 10 | |||||||||
| HDA-VHX-350-1050-I | 1050 | 840 | 70 | 56 | 15 to 1 | 350 | 3 | 38889 | 1.09 | 100 | 7778 | 0.06 | 87.8 | 30 | 47.4 | 17 | 856 | 12 | 7.5 | ||||||||
| HDA-VHX-600-1200-I | 1200 | 960 | 120 | 96 | 10 to 1 | 600 | 2 | 44444 | 1.52 | 100 | 8889 | 0.08 | 91.6 | 30 | 47.4 | 20 | 773 | 10 | |||||||||
| HDA-VHX-400-1200-I | 1200 | 960 | 80 | 64 | 15 to 1 | 400 | 3 | 44444 | 1.2 | 100 | 8889 | 0.06 | 97.5 | 30 | 47.4 | 17 | 936 | 12 | 7.5 | ||||||||
| HDA-VHX-500-1500-I | 1500 | 1200 | 100 | 80 | 15 to 1 | 500 | 3 | 55556 | 1.38 | 100 | 11111 | 0.07 | 117 | 30 | 47.4 | 20 | 1076 | 15 | 7.5 | ||||||||
| HDA-VHX-600-1800-I | 1800 | 1440 | 120 | 96 | 15 to 1 | 600 | 3 | 66667 | 1.52 | 100 | 13333 | 0.08 | 131 | 30 | 47.4 | 20 | 1136 | 15 | 7.5 |