September 30, 2026
Peachtree City, GA
Rinnai Expands Commercial Electric Tank Water Heater Offering
RCET Series now available in 54 configurations with four voltage options and inputs up to 36 kW
PEACHTREE CITY, Ga. (September 30, 2026) —Rinnai America Corporation, a leading manufacturer of innovative, energy-efficient water heating and home comfort solutions, has expanded its RCET Series Commercial Electric Tank Water Heaters, giving PROs more options to match commercial hot water demand and electrical requirements.
RCET is now available in 54 configurations across 50- and 80-gallon tank sizes, with 208V, 240V, 277V and 480V options and inputs ranging from 12.3 to 36 kW. Single-phase units can also be field converted to three-phase, providing added flexibility for new and replacement applications.
“Rinnai has long focused on making specification and installation easier for PROs, with the latest RCET updates building on this core philosophy,” said Frank Windsor, president of Rinnai America Corporation. “This helps keep reliable hot water flowing in the places people work, stay and gather every day, supporting a healthier way of living.”
Designed for general indoor commercial applications, RCET also includes:
- Element induction LED monitor
- 2-inch foam insulation designed to minimize heat loss
- Glass-lined inner tank with Ferro-Enamel powder coating
- Dual magnesium anode rods for corrosion resistance
- UL 1453 certification
- Brass drain valve
- Three-year tank warranty, with one-year parts and labor coverage
For more information about RCET and Rinnai’s commercial water heating solutions, visit rinnai.us.
About Rinnai:
Rinnai America Corporation, a subsidiary of Rinnai Corporation in Nagoya, Japan, was established in 1974 and is headquartered in Peachtree City, Georgia. Rinnai Corporation manufactures gas appliances, including tankless water heaters, a wide range of kitchen appliances, and heating and air conditioning units. As the technology leader in its industry, Rinnai is the largest gas appliance manufacturer in Japan, has the highest efficiency of any tankless water heater available in the United States and Canada, and is the No. 1 selling residential gas tankless condensing water heater brand in Canada. Annual corporate revenues, including those of its subsidiaries, are in excess of $3.3 billion. With a global perspective to create 21st-century products for the home and business, Rinnai Corporation commits itself to safety and Creating a healthier way of living®. For more information about Rinnai’s entire product line, visit www.rinnai.us.
Copyright 2026. All rights reserved. Rinnai® and Creating a healthier way of living® are the registered trademarks of Rinnai Corporation used under license by Rinnai America Corporation.
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Rinnai Media Contact:
Amy Evans, PR Account Manager
amy@millerbrooks.com