Rinnai Super High Efficiency Plus

Rinnai RUR Models (Super High-Efficiency Plus):
Rinnai’s SE+ Series featuring ThermaCirc360™ can provide faster hot water at the faucet, regardless of your plumbing configuration. Even if your home does not have a dedicated return line, this innovative product can provide recirculation by installing a thermal bypass valve at the fixture furthest away from the unit. The result: Less waiting, less waste!
Rinnai RUC Models (Super High-Efficiency Plus):
Rinnai SE+ Series condensing tankless water heater RUC models deliver an endless supply of hot water, can provide recirculation with Circ-Logic Technology, and is Wi-Fi ready.
Rinnai RU Models (High-Efficiency Plus):
Rinnai’s SE+ Series condensing tankless water heater RU models deliver an endless supply of hot water, can provide recirculation with Circ-Logic™ technology, and are Wi-Fi compatible. All exterior models.