All the support you need

Access robust tools designed to help you sell to your customers and grow your business. Scroll down to find product training, documents to help when installing or servicing Rinnai products including Manuals, Spec Sheets, Technical Data and much more.

Technical Documents Product Training

Be the PRO in the know

There are a lot of misconceptions about tankless water heaters. Be the pro your customers rely on to separate fact from fiction. Learn the Tankless Truths™ today.

Learn the Truth

Selling Products with Ease

Selling Guide

Sell the Benefits of Tankless with our Easy-to-Use Guide

Walk your customers through the benefits of tankless water heaters with this new resource.

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Explore Our Tankless Products

RSC Models

Cutting-edge technology in our top-of-the-line condensing models, including effortless maintenance with Wi-Fi monitoring, voice control with Amazon Alexa integration, and more. **Available to purchase June 2022**

Built-in Recirculation Pump

Wi-Fi Capable

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RSC product image

RU Models

Enjoy all the comfort and performance with these compact units, which are powerful enough to deliver hot water consistently in up to four places around your home simultaneously.

Recirculation Capable

Wi-Fi Capable

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Rinnai RU Model Series Tankless Water Heater

RUCS Models

Our RUCS models offer the highest output of our condensing line of tankless units. They deliver sleek, modern design and a range of features and benefits to fully satisfy the hot water demands of larger homes.

Built-in Recirculation Pump

Wi-Fi Capable

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RUCS

RUS Models

Imagine a limitless supply of hot water, plus energy savings, compact design and environmental benefits.

Built-in Recirculation Pump

Wi-Fi Capable

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RLX

CHS Series

Rinnai's Demand Duo® Hybrid Water Heating System is a smart choice for customers replacing their tank, especially in an emergency.

Recirculation Capable

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Demand Duo™

PRO Tool Belt

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Document Library

Product Training

Professional Frequently Asked Questions

Are you a business owner or specifier needing help?

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