Home > Tankless Water Heaters > Natural Gas Whole House Tankless Water Heaters > Rinnai Natural Gas Tankless

Rinnai RC80e 8.0GPM External Natural Gas Condensing Tankless Water Heater

  • $ 1,199.95
  • Retail Price:$2,141.00 You Save:$941.05
Be the first to review this item

• ENERGY STAR® Qualified
• 8.0 Max GPM
• 157,000 Max BTUs
• 97% Efficient
• Outdoor-Residential/Commercial
• Webstone Lead-free Isloator EXP 2 Valve Kit Included
• Weight: 64 lbs 
• Dimensions (W x D x H): 18.5" x 10.7" x 26.4"

Availability: In Stock


The RC80e tankless gas water heater is part of the newest ultra-efficient line of condensing tankless water heaters. Offering a maximum output of 8.0 gallons per minute (GPM) of continuous hot water to multiple plumbing fixtures simultaneously. Rinnai’s newest condensing technology makes this Energy Star qualified tankless water heater among the top in its class when it comes to efficiency and energy savings. The Rinnai RC80e offers significant space savings over any tank water heater as well as more sanitary hot water. This condensing tankless water heater is Energy Star qualified and is eligible for the Federal Tax Credit.

• Condensing Technology for Greater Efficiency and Significant Energy Savings
• Up to 97% Thermal Efficiency
• Pre-set at 120°F
• Meets California and Texas NOx Emissions Standards
• Energy Factor of 0.96 for Both Gas Types
• Compatible with Full Line of Rinnai Digital Controllers
• Temperature Range with Controllers: Residential (98°F - 140°F) Commercial (98°F - 185°F )
• 12-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year Labor for Residential Installation

NOTICE: Rinnai Water Heaters must be installed by a licensed professional. Rinnai may not warranty the unit if the unit is installed incorrectly.

The following item has been added to your shopping cart

Product Name Size Quantity Price
You have () Items in your shopping Cart Subtotal: $

Shop by Category


Sign up to receive special offers and save


  • JamesSaid:
    When I orded my unit from you I was apprehensive, having never orded on the computer ! What I receiv...
  • stephen wrightSaid:
    Scanned the net for the best price and delivery. Your the winner. Nice web-site and product info. Th...
  • TomSaid:
    Thank you very much for the fast resolution.I won't hesitate to return to the web site to order in t...
  • NickSaid:
    I'm treated with care, the products and brands are exactly as I ordered, the pricing is very competi...
  • MarkSaid:
    The price was lowest I could find, and the shipment was fast and on time, delivered exactly when it...
  • LindaSaid:
    We were thrilled with your knowledge and service to us. We will certainly tell others who might nee...
  • GeraldSaid:
    THANK YOU VERY MUCH.  It is nice to see that Customer Service has not died.
  • JudySaid:
    I was especially impressed when I got to talk to actual people instead of strictly E-mails or automa...
  • EricSaid:
    Last week I ordered some replacement furnace filters from through your website.  Your price was the...
  • TomSaid:
    I will not hesitate to recommend you to anyone who is looking for heating or cooling system parts,...