Set your own schedule, thanks to the R75LSi. Ideal for 2-3 bathroom homes, the R75LSi delivers up to 7.5 gallons of hot water per minute (GPM), while saving energy and money. Mount your compact R75LSi in virtually any room, and vent directly to the outside with a single wall or roof penetration.

Rinnai Tankless Hot Water Heater R75

Set your own schedule, thanks to the R75LSi. Ideal for 2-3 bathroom homes, the R75LSi delivers up to 7.5 gallons of hot water per minute (GPM), while saving energy and money. Mount your compact R75LSi in virtually any room, and vent directly to the outside with a single wall or roof penetration.

  • ENERGY STAR® Qualified
  • Certified for Installation in Manufactured (Mobile) Homes
  • Commercial-grade Heat Exchanger for Residential and Commercial Applications
  • Comes standard with MC-91-1US Digital Controller with Error Code Indicator
  • Natural Gas and Propane Models Available
  • EZConnect® (connects two units together)
  • Energy Factor of 0.82 for Both Gas Types
  • Temperature Range with Controllers: Residential (98°F – 140°F) Commercial (98°F – 160°F )
  • 12-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year Labor for Residential Installations

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