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
Cartridge Installation
Error 111 Ignition Failure
Error 121 Loss of Flame
