Indirect-Fired Make-Up Air Heater Series
The HDG(H) indirect gas-fired air heaters are certified for both indoor and outdoor installation and designed to serve as a heating system for make-up air or recirculated air. They operate with a minimum thermal efficiency of 80 % and use natural or propane gas. The capacities available range from 200 to 5000 MBH (from 59 to 1464 kW) and from 4000 to 90,000 SCFM (from 1888 to 42,475 l/s) of air at temperature differences of 50˚F to 120˚F (from 28˚C to 67˚C), which enables flexibility of use for multiple applications.
Here are some characteristics of this model:
- Welded-channel frame construction
- Two-inch insulation
- Hinged doors
- Standing seam roof design
- Sturdy 18G galvanized construction
- Pressurized steel-power burner
- Twin fans for perfect air distribution
- Aluminum double-wall chimney
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HDG(H) Series Pamphlet
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