Optimal opti 27kW 240V 4.5GPM 25-Year Warranty Electric Tankless Water Heater

The opti27 electric tankless water heater can replace a tank heater for the whole home, act as a point of use, or supplement a hybrid as a booster to extend hot water availability. Refer to the sizing map in the images to learn more about the model that is best for you. With its powerful 27kW heating system and one-of-a-kind ultrasonic design, this water heater is engineered for energy efficiency and space savings. Expert, in-house, customer support stands behind the industry leading 25-year warranty for reliability you deserve in a product meant to last. Set it and forget it to the exact temperature you desire for endless hot water with an accuracy of 1°.

Save up to 50% on your water heating costs Save space and reclaim an entire closet worth of storage 25-year residential warranty covers all components including heat exchanger Patented US design is the only water heater with ultrasonic flow technology In-house, expert support is here to answer all your water heating questions Advanced, built in diagnostics make troubleshooting easy Dry-fire protection prevents elements from burning out Straightforward installation with standard 3/4 inch water connections and no venting needed Built in LED diagnostics let you monitor system status at a glance