ATHR-180M Adapt™ Premium Condensing Ultra-Low Nox 180,000 BTU/hr Natural Gas Tankless Water Heater

Delivering robust, on-demand performance, these high-efficiency heaters install in practically any residential setting. The single stainless steel, heavy-duty heat exchanger design is more resilient to scale buildup and corrosion and when coupled with X3 Scale Prevention Technology (not included), there is zero lifetime descaling maintenance required.
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