Give Your Clients the Best of the Best

Built to commercial-grade standards, Rinnai tankless water heaters are individually tested, backed by the industry's best warranty, and compact enough to fit any space.

Why Rinnai

Serve customers better with the #1 in tankless with more than 100 years of history. We've proven our commitment to the quality, safety, and support behind everything we do, showing that it makes all the difference when working with our products.

First major tankless brand to manufacture in the U.S.

Commercial-grade manufacturing

Up to twice the lifespan of traditional tanks

Handle monitoring alerts with the PRO App

Tankless Model Comparison

Uniform Energy Factor
ENERGY STAR® Qualified
Built-In Recirculation Pump
Quick-Access Services
Wi-Fi Capable (module sold separately)
Condensing Tankless Water Heaters
RXP RX RUS RUCS
0.98 0.98 0.90 0.85
Non-Condensing
REP RE
0.82 0.81

Condensing Tankless Water Heaters

RX Models

RX130iN

  • 2 to 4 Fixtures
  • Indoor
  • Natural Gas

RX160iN

  • 2 to 5 Fixtures
  • Indoor
  • Natural Gas

RX180iN

  • 3 to 5 Fixtures
  • Indoor
  • Natural Gas

RX199iN

  • 3 to 6 Fixtures
  • Indoor
  • Natural Gas

RXP Models

RXP160iN

  • 2 to 5 Fixtures
  • Indoor
  • Natural Gas

RXP199iN

  • 3 to 6 Fixtures
  • Indoor
  • Natural Gas

RUCS Models

RUCS65iN

  • 2 to 3 Fixtures
  • Indoor
  • Natural Gas
4 stars

RUCS65iP

  • 2 to 3 Fixtures
  • Indoor
  • Propane Gas
5 stars

RUCS75iN

  • 2 to 4 Fixtures
  • Indoor
  • Natural Gas
4 stars

RUCS75iP

  • 2 to 4 Fixtures
  • Indoor
  • Propane Gas
5 stars

RUS Models

RUS65eN

  • 2 to 3 Fixtures
  • Outdoor
  • Natural Gas
5 stars

RUS65eP

  • 2 to 3 Fixtures
  • Outdoor
  • Propane Gas
5 stars

RUS75eN

  • 2 to 4 Fixtures
  • Outdoor
  • Natural Gas
5 stars

RUS75eP

  • 2 to 4 Fixtures
  • Outdoor
  • Propane Gas
5 stars

Non-Condensing Tankless Water Heaters

RE Models

REP Models

Professional Tool Belt

Have a customer who is ready to buy a Rinnai?

On-Demand Hot Water

Waiting for hot water can be frustrating, and wasteful for customers. Recirculating technology eliminates the wait, so hot water is always at the ready. Our technology permits this even if your customer’s home does not have a dedicated return line.

Learn More About Recirculation