Rinnai’s Ultra Series condensing water-heating technology combines the benefits of traditional tankless water heaters with even greater energy savings for homeowners.
For built-in reliability and longevity, Rinnai’s unique condensing design incorporates two innovative heat exchangers to achieve optimum water-heating value from every cubic foot of natural gas or propane. The down-fired ceramic burner allows condensation to drain from the bottom of the heat exchanger, protecting the primary heat exchanger and burner, and maintaining top product performance over time. The condensing design maximizes heating value and earns an Energy Factor rating of up to .96, which translates to significant energy savings when compared to a traditional gas tank water heater.
Additional features include the built-in Rinnai Circ-Logic™ recirculation program, which cycles an external pump at pre-set intervals and temperatures to maximize efficiency and comfort, a temperature lock function, and enhanced scale detection that lessens the possibility of serious, long-term damage to the unit.
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