6-year limited tank warranty, 6-year parts warranty for residential applications
Direct Vent Design- One-pipe, dual-channel closed system draws all make-up air from outside the home, eliminating problems caused by insufficient indoor ventilation and is FVIR compliant. Horizontal air intake and venting on all models up to 80'' f
Green Choice Gas Burner - Patented eco-friendly burner design reduces NOx emissions by up to 33 percent and complies with Low NOx emission requirements of less than 40 ng/J
Intelligent Control Logic - The internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response to optimize performance