No Sales Tax
Free Shipping on Thousands of Products
Award-Winning Customer Service
Discontinued Product
View all Water Heaters

Rinnai LS Series Silver Tankless Water Heater - R75LSi

Abt Model: R75LSIN | UPC Code: 766156004278
This product is no longer available.

Product Details

Energy Star Rated - No

Rinnai R75LSi LS Series Silver Tankless Water Heater, Model R75LSIN


Never run out of hot water again, and save up to 50% on your hot water energy costs. This compact interior unit is sealed combustion and can be mounted in a variety of space saving locations in your home. All Rinnai interior units utilize an exclusive cool-to-the-touch vent systems that is sealed combustion and requires only one penetration through the roof or sidewall. Rinnai interior units can mount almost anywhere and can have a vent up to 41 feet long. They are designed to operate at outdoor temperatures as low as -30F

Enery Star - Receive a Federal Tax Credit with the purchase of a select Energy Efficient Product.


Tankless Technology

  • Continuous Hot Water on Demand Delivered at up to 7.5 GPM
  • Newly Designed Commercial-Grade Heat Exchanger
  • New Integrated Condensate Collector
  • Whole House or Commercial Water Heating Solution
  • Integrated Digital Temperature Controller +/-2° F Included
  • Direct Electronic Ignition - No Pilot Light
  • On-Board Diagnostics and Safety Monitoring
  • Interior Sealed Combustion Unit - Does Not Use Interior Combustion Air
  • Battery Backup Possible for Operation in Power Interruptions
  • EZ Connect (connects 2 units together without use of a control board)

Tankless Energy Efficiency

  • 0.82 EF Providing Significant Energy Cost Savings
  • On When You Need It, Off When You Don't... No Standby Loss!


  • Minimum / Maximum Gas Rate (Input BTU/Hr.) 15,000 - 180,000
  • 7.5 GPM Maximum Hot Water Capacity at 35° Rise
  • 4.4 GPM Maximum Hot Water Capacity at 75° Rise
  • NoX Emissions Less Than 40Ng/J
  • Temperature Range 98 - 140° F (98 - 160° F with the MCC-91 controller)
  • High-Altitude Operation Up To 10,000 Feet Without Additional Parts

Approximate Dimensions:

  • Height: 26"
  • Width: 14"
  • Depth: 10"

Approximate Weight:

  • Shipping: 46 lbs

Warranty Informations:

  • Manufacturer's Warranty (Authorized Retailer)
    • 12-Year Limited Warranty On The Heat Exchanger
    • 5-Year Warranty On All Parts
    • Standard 1 Year Labor Warranty
Downloadable Resources
Get Adobe Reader
Key Features
7.5 GPM/ 180,000 BTU/ 0.82 Energy Factor/ Integrated Condensate Collector/ For House Or Commercial Water Heating Solution/ Integrated Digital Temperature Controller/ Direct Electronic Ignition/ Interior Sealed Combustion Unit/ EZ Installation/ Silver Finish
More reasons to buy the Rinnai R75LSi from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Rinnai R75LSi is Brand New.
  • The Rinnai R75LSi Ships in a Factory Sealed Box.
Fuel TypeGas
Gallon Capacity (cu.ft.)7
Height (inches)26"
Tank StyleShort
Energy Star QualifiedYes
sign up for our newsletter
Join Our Email List & Get $25 Off your next order of $250 or more.
Connect with