A unique condensing design with two heat exchangers gives these tankless Rinnai water heaters greater energy savings for residential applications, with an Energy Factor rating up to .96; this is an upgrade over traditional gas tank water heaters. The temperature-lock function prevents unauthorized or accidental changes to water temperature. The Scale Detection System detects limescale buildup and alerts the user when maintenance is required.
The Scale Detection System detects limescale buildup and alerts the user when maintenance is required.
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