Rheem®, a manufacturing giant now in its 100th year, and leader in the water heating and HVAC/R industry with 50 global ...

This will include efficiency standards for gas-fired instantaneous water heaters, and a new category for tankless water heaters.

Continuous Hot Water & Comfort When Needed – The Rheem IKONIC RECTGH-SR11iN Super High Efficiency condensing tankless gas water heater with recirculation provides enough immediate hot water for ...