
Induced draft venting.
Multi-port in-shot burners.
Adaptive hot surface silicon nitride igniter.
Sealed combustion.
Aluminized steel heat exchanger.
Heavy steel insulated cabinet.
Self-diagnostic controls.
AL29-4C™ stainless steel secondary heat exchange.
Internal vent pipe.
Internal vent pipe.
Dual door latches.
Cleanable filter.
Direct vent option
Two-stage gas valve works efficiently with the multi-speed motor, providing only as much fuel as each stage requires.
Variable speed draft inducer monitors pressure switch input, making periodic adjustments when needed to provide proper gas combustion. Eliminates nuisance no heat calls.