Combining Rinnai's condensing boiler technology with an on-demand water heater, the E50CN provides high efficiency home heating in a small, space-saving package. With a self-cleaning, down-fired stainless steel heat exchanger and the latest in condensing technology, the E50CN ...Combining Rinnai's condensing boiler technology with an on-demand water heater, the E50CN provides high efficiency home heating in a small, space-saving package. With a self-cleaning, down-fired stainless steel heat exchanger and the latest in condensing technology, the E50CN boasts an impressive 95.6% AFUE efficiency rating, making it one of the most efficient combi units on the market.
The E50CN's compact size, multiple venting options, and easy-to-install nature make it perfect for new construction or remodeling. The E50CN offers unmatched flexibility and market-leading efficiency, while providing heat and hot water for your entire family.