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  • Rinnai E50CN Natural Gas

Rinnai E50CN Boiler 50K BTU Natural Gas


Rinnai E50CN Boiler 50K BTU Natural Gas

Only Rinnai offers the quality and reliability that is built on a 45 year history of innovation and improvements. Rinnai commands quality through in-house design, engineering and manufacturing, and insures your satisfaction with in-house support.


  • Width: 19.7"
  • Height: 25.6"
  • Depth: 15.6"
  • Most efficient combi boiler on the market - 95.6% AFUE
  • Approved Venting: Polypropylene, Stainless Steel, PVC, CPVC
  • 13,600-50,000 BTU Heating Input
  • 6:25:1 Turn-Down Ratio
  • Proprietary stainless steel heat exchanger for unmatched performance and durability
  • System temperature adjustable in two-degree increments
  • Warranty: 12-year heat exchanger, 2-year parts and 1-year labor


  • Material: Steel
  • Fuel Type: Gas

Additional Information

  • Energy Star: Yes


Installation and Operation Manual: RU80i_RU80e_RU98i_RU98e
Spec Sheet: RU80i_KB2530FFUD
Design Manual: Tankless Water Heaters
Energy Guide: RU80i_KB2530FFUD-US


To find a retailer, please visit: https://www.rinnai.us/find-dealer

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