Advanced Radiant Systems? Two Stage Unitary Range (DU/DUH) offers the efficiency benefits of multistage heating at an economical cost. These units also minimize temperature swings and help avoid system cycling therefore optimizing fuel consumption. The two-stage units are offered in both the standard grade, DU model, as well as our harsh environment, DUH model. Model DU A heavy duty industrial/commercial two stage infrared heater with an enclosed burner. Model DUH In addition to all the features of the DU, the DUH also includes a potted module, sealed burner housing and heat-treated aluminized tube for harsh environments. Stainless steel available. The DU/DUH Range gives the system designer the flexibility to meet the changing demands in a given area. Uniform heating and a low up front cost makes the Two Stage Unitary Range one of our most popular models. FEATURES - Rates 40,000 to 220,000 BTU/HR
- Thermal efficiency in excess of 90%
- Separated controls compartment
- Self-diagnostic ignition module
- Parabolic aluminum reflectors
- Heavy duty couplings
- Direct spark ignition
- 24V direct wire for thermostat
- Jet stream burner
- Vented or unvented
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