Rinnai’s SENSEI® CX Series of commercial tankless water heaters is really the one model that does it all. Smart Sense™ : Every SENSEI® CX Series model can be installed indoors or outdoors using natural gas or liquid propane. It has venting options for any situation - available in Concentric or Schedule 40 PVC/CPVC or PP. Twin pipe 2 in. (51mm) vent lengths up to 74 ft. (23 m) or 3 in. (76mm) up to 150 ft. (46 m). And common vent lengths up to 150 ft (46m) with eight tankless water heater units.

Look at the NEW Rinnai I-SERIES Plus™ family of Solo and Combi High-Efficiency Condensing Gas Boilers that are Built for the PRO, by the PRO™. The perfect combination of reliability, technology and performance in one compact unit, the Rinnai I-SERIES Plus™ Combi Boilers are one of the few that deliver simultaneous domestic hot water and space heating. They feature 4 built-in zones for better comfort levels and 7 heating reset curves (6 standard, 1 custom) for consistent temperatures. Natural Gas