Rheem Manufacturing : Rheem® RTGH Series Condensing Tankless

Introducing the Rheem® RTGH Series Super High Efficiency Condensing Tankless Water Heater With the same proven performance both plumbers and homeowners trust, the Rheem RTGH Series Super High Efficiency Condensing Tankless Water Heater now offers a new modern design. These smaller and lighter units are more efficient than a 50-gallon tank water heater by up to 52%1, earning our Sustainability Standout® seal2.