Tankless water heater pairs with recirculation pump

From: A. O. Smith

A. O. Smith combines the features of its condensing tankless series with an integrated recirculation pump in its 540P Series Condensing Tankless model. Beyond simplifying installation, the water heater and recirculation pump combination allows for customized operation to meet a household’s hot water needs and maximize efficiency; it is controlled with a simple user interface and multiple pump settings. Along with being Energy Star qualified, the 540P model uses up to 199,000 Btu per hour and includes a 15-year limited warranty.

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