Non-Condensing Concentric Vent with X3 Technology
The fully modulating, gas fired, tankless water heaters offer sealed combustion and power vented flue supply making them ideal for residential hot water systems. Now equipped with X3 Technology™, these non-condensing units offer extended service life of up to three times longer than traditional models without X3 scale prevention technology.
- No annual descaling required
- No scale buildup means the heater maintains like-new performance longer
- Isolation valves not required
- Pressure relief valve included