27KW Rheem Electric Tankless Water Heater

Professional Classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

Performance Features
•  On demand, consistent and endless hot water
•  Compact and stylish with digital temperature control in increments of 1°F ranging from 80°F to 140°F*
•  99.8% Energy efficient
•  Robust copper immersion heating elements with brass top increases durability and are threaded for easy replacement
•  Simple Installation
•  Digital temperature display
•  External controls to adjust temperature in increments of 1°F*

•  Whole-Home - up to 6 GPM
•  Water-Saver Shower Head - 1.5 GPM
•  Standard Shower Head - 2.0 GPM
•  Standard Hand Sink - 0.5 GPM
•  Kitchen Sink - 1 to 2 GPM
•  Bath Tub - >= 4 GPM
•  Dishwasher - 1 to 2 GPM
•  Washing Machine - 1 to 1.5 GPM (Average Gallons Per Minute (GPM) based on 2010 Plumbing Standards)

•  5 Year heating chamber and 1 year parts limited warranty. See Residential Warranty Certificate for complete information

Unique Features
•  External Digital Thermostatic Control with LED display (+/- 1 degree accuracy)
•  Most advanced self-modulation, adjust power to meet hot water demand
•  Durable Copper Immersion three heating elements, field serviceable
•  Simple Installation - Bottom 3/4" NPT water connections

Specification Sheets

Additional information


Energy Star Certified


Model Number


3 reviews for 27KW Rheem Electric Tankless Water Heater

  1. Melvin

    This 27KW Rheem Electric Tankless Water Heater is an absolute powerhouse! The price for such a high-capacity and energy-efficient water heater is remarkably reasonable, and its ability to deliver consistent and instant hot water amazed me. For anyone seeking a reliable and robust water heating solution without compromising on efficiency, this heater is an incredible investment!

  2. Valentino

    I recently purchased the 27KW Rheem Electric Tankless Water Heater, and I couldn’t be more thrilled with the fantastic price, unmatched performance, and the consistent hot water it delivers, making it a game-changer for my home comfort—definitely a smart purchase that exceeded my expectations.

  3. Rodrigo D

    I recently purchased the 27KW Rheem Electric Tankless Water Heater, and the exhilarating surprise of its unbeatable price, coupled with the exceptional quality of the equipment and its outstanding performance, has turned this acquisition into an absolute win that far exceeded my expectations!

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