Approved for room and closet installations (Zero Clearance to Combustibles)
Awarded the ENERGY STAR® Most Efficient Mark in 2016 – up 95.4 Percent AFUE
Flexible venting options with approved Concentric, PVC, CPVC, Stainless Steel, Polypropylene (rigid and flex), for single-pipe exhaust, room air and two-pipe systems
Modulating pump varies the flow of water (GPM) to maximize efficiency