Products

The Ultra series' condensing design features two heat exchangers, delivering Rinnai's most energy-efficient performance and value. It has the largest capacity for meeting multiple, simultaneous hot water demands

Models in this series:

• RU80i (REU-KB2530FFUD-US)

• RU80e (REU-KB2530WD-US)

• RU98i (REU-KB3237FFUD-US)

• RU98e (REU-KB3237WD-US)