Upflow, Two-stage, Variable Speed Up To 96% AFUE
Heavy-Duty Aluminized-Steel Heat Exchanger
Distinctive tubular aluminized-steel construction formed using wrinklebend technology results in an extremely durable heat exchanger. Paired with a stainless-steel secondary heat exchanger, this combination provides reliability, durability and efficiency.
Two-Stage Gas Valve
Reduces energy needed during moderate demand to deliver outstanding comfort and efficiency as compared to single-stage gas valves.
- Heavy-duty aluminized-steel tubular heat exchanger
- Stainless-steel secondary heat exchanger
- Energy-efficient, multi-speed ECM blower motor
- Durable silicon nitride igniter
- Quiet two-speed induced draft blower
- Self-diagnostic control board