The Rinnai E Series is a condensing combi boiler with an efficiency of up to 95.6% AFUE. The E Series is a compact wall-hung unit designed for homes with 1-2 baths and is approved for room and closet installations. The E Series is available in three models — E50C, E75C and E110C — ranging in size from 50,000 to 110,000 maximum BTU heating inputs. It features a durable stainless steel primary heat exchanger and a built-in domestic hot water plate heat exchanger which delivers faster hot water. Priority is given to domestic hot water, resulting in continuous hot water being available.
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