Designed with the Professional in mind, the new Rinnai I-SERIES Plus Boilers deliver unmatched value and performance. This series features Smart Sense Adaptive Gas Valve technology (on models up to 150k Btu), 5 NEW Combi Models, and up to a 96% AFUE for significant energy savings ...Designed with the Professional in mind, the new Rinnai I-SERIES Plus Boilers deliver unmatched value and performance. This series features Smart Sense Adaptive Gas Valve technology (on models up to 150k Btu), 5 NEW Combi Models, and up to a 96% AFUE for significant energy savings.
The I-SERIES Plus offers 4 zone capability, 2" venting up to 75 ft., and boasts faster, easier installation than ever before. Color: Gray.