
High efficiency, variable-speed blower motor with Comfort-R™
Adaptive silicon nitride hot surface igniter.
Induced draft venting.
Two-stage gas valve
Self-diagnostic controls
Easy-access doors.
Multi-port in-shot burners
Automotive-grade gaskets and insulated blower compartment
Primary aluminized steel heat exchanger
AL29-4C™ stainless steel secondary heat exchanger
100% fresh air option