ProLine XE Combination Boiler and ProLine XE 540P Tankless Water Heater Series

From: A. O. Smith

A.O. Smith’s ProLine XE Combination Boiler—available in three sizes—delivers immediate hot water and comfortable space heating. Its ProLine XE 540P Tankless Water Heater series integrates a recirculation pump to provide instant hot water in residential applications with dedicated recirculation lines. A simple user interface and multiple pump settings allow for the customization of pump operation to meet needs yet maximize heater efficiency.

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