Tankless Water Heating
Commercial-grade units with the industry's best warranty.

Learn About Tankless Tankless Truths™
Condensing

Rinnai’s super high-efficiency models offer sleek design, maximum output and an array of features ideal for the hot water demands of large homes.

RX Models

RXP Models

RUS Models

RUCS Models

RSC Models

RU Models

Non-Condensing

For small- to medium-sized new homes or remodels, Rinnai’s high-efficiency models are affordable, compact units you can count on.

RE Model Series

REP Model Series

RL Model Series

RLX Model Series

V Model Series

Accessories

Rinnai Central™ mobile app

Smart-Circ™ Recirculation

Venting & Accessories
Home Heating
Condensing Boilers

Rinnai Condensing Boilers deliver more efficient home heating than traditional boilers, while also providing domestic hot water.

I Series

Boiler Venting & Accessories
Direct Vent Furnace

Rinnai Direct Vent Furnaces use modulating technology to create energy-efficient warmth for the whole home.

Direct Vent Furnace Accessories
Vent-Free Fan Convectors

Rinnai Vent-Free Convectors push heat to the farthest reaches of the room, evenly warming larger spaces and maximizing cost-savings.
Hydronic Air Handler

The Rinnai Hydronic Air Handler System easily integrates with select tankless water heaters or boilers to deliver energy-efficient warmth.
Electric Water Heating
New at Rinnai

Wireless Controls

Connect your Rinnai tankless water heater from virtually anywhere using your local WiFi network and the free Rinnai Central™ mobile app.

Optional | Sold Separately

RWM200

Hot Water Recirculation Scheduling at Your Fingertips

After downloading the Rinnai Central™ app and connecting to the RWM200 Wireless Module (sold separately), Homeowners can experience the ultimate in accessibility, convenience, and control:

Activate recirculation schedule (pump-enabled models only)
Adjust water temperature
Check real-time water heater status
Receive maintenance alerts
Activate vacation mode to save energy when away for extended periods

Mobile app Details

RPB200 Recirculation Push Button

Mounted in a convenient location, near a kitchen faucet or bathroom sink, Rinnai’s Recirculation Push Button activates the tankless water heater recirculation pump by simply pressing the button. Use up to 5 buttons at multiple locations.