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Home Water Heaters Rinnai Rinnai R50LSi

Rinnai R50LSi

The remarkable combination of both beauty and performance make the R50LSi the perfect choice for your two- to three-bathroom home

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Product Documentation
  • Features
  • Details
  • Warranty

You’ll delight in continuous hot water on demand delivered at up to 5.0 gallons per minute (GPM), and enjoy simultaneous use of up to three plumbing or appliance outlets. The R50LSi saves energy and money, while providing clean, fresh hot water at a consistent, pre-set temperature. The R50LSi interior-mount unit can be located in virtually any room and vents directly to the outside.

  • ENERGY STAR qualified
  • Sleek, modern design
  • Commercial-grade heat exchanger
  • Lightweight and compact
  • Integrated condensate collector
  • EZConnect™ (connects two units together)
  • Meets California and Texas NOx emission standards
  • Works with Natural Gas or Propane
  • Energy Factor of .82 for both gas types
  • Integrated MC-91-1 digital controller with error code indicator
  • Temperature range with controllers: 98°– 160° F
  • 12-year heat exchanger limited warranty for residential installations (5 years on parts, 1 year on labor)

Dimensions: 14” W x 26” H x 10” D
Weight: 50 lbs.
Installation: Interior/Residential or Commercial
Approved Gas Types: Natural Gas or Propane
Minimum/Maximum Gas Rate (Input BTUs): 15,000 - 150,000 NG
Hot Water Capacity: 0.6 to 5.0 GPM at 35° rise
Energy Factor: .82 for NG or LP
Electrical: AC 120 Volts – 60 Hz
Connections: Gas Supply: ¾ inch MNPT
Cold Water Inlet: ¾ inch MNPT
Hot Water Outlet: ¾ inch MNPT
Temperature Range (Min-Max)    
Residential: 98°-140° F
Commercial: 98°-160° F  (requires MCC-91 controller)
Standard Digital Controller: MC-91-1