Condensing Tankless with X3® Technology
Introducing our full line of residential condensing gas tankless water heaters with X3® Scale Prevention Technology. Designed with both consumers and contractors in mind, X3® Technology prevents scale buildup in a tankless unit, eliminating the need for descaling maintenance, tripling the lifetime of a unit and enabling it to run at like-new performance.
Features and Benefits How It Works Application and Installation
Top Service Items
Cartridge Installation Error 111 Ignition Failure Error 121 Loss of Flame Error 991 Imperfect Combustion
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