Heater-Unit Lp 250K Btu Alum Steel

Product Features: Heating capacities from 125,000 - 400,000 BTUH. Up to 85% thermal efficiency. Stainless steel heat exchanger is available for longer product life. Heat exchangers are laboratory life-cycle tested. Tubular heat exchangers made of aluminized steel or stainless steel. Aluminized steel in shot burners provide efficient trouble free operation. Sidewall venting eliminates roof penetrations. Wiring junction box is located outside of unit. Safe direct spark ignition. No standing pilot light. Self-diagnostic board with LED display improves troubleshooting efficiency and accuracy. 3/8 x 16 rivet nuts are located on the top of cabinet for suspending unit using threaded rod. Power exhaust system with a sealed flue collector allows conventional vertical or horizontal venting to 35 ft (depends on unit size). Direct drive propeller fans are dynamically balanced for quiet, smooth operation.