X3® Scale Prevention Technology
• Extends life of unit up to 3 times longer
• No annual descaling required
• No conditioning period required when using new copper pipe
• Maintains like-new performance longer
• Approved to work with the integrated recirculation pump. If no dedicated recirc line, simply install a cross-over valve kit and enjoy hot water faster. Cross-over valve kit sold separately.
FIELD CONVERTIBLE FROM NATURAL GAS TO PROPANE
Easily convertible from natural gas to propane with supplied kit..
Copper Heat Exchanger
25x better heat transfer than stainless steel thus stabilizing outgoing water temperature quicker and reducing pressure drop across the heat exchanger.
Venting and Combustion
Direct vent APNC35 concentric vent system, Vertical or horizontal vent termination installation, Power direct vent.