The RH180 Hybrid Tank-Tankless Water Heater from Rinnai combines the immediate large quantity of hot water provided by a traditional tank-style water heater and the advanced supply delivered by tankless technology. It offers a 180-gallon first-hour rating, reduced recovery time compared to traditional tank-style water heaters, and uses standard connections. A controller has diagnostic capabilities making for easy repair and component accessibility.

A controller has diagnostic capabilities making for easy repair and component accessibility.