The fully modulating, gas fired, tankless water heaters from State 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/unprotected models.
The GTS-510CX3 tankless water heater uses up to 199,000 BTUs of Natural Gas or Liquid Propane to deliver a max flow rate of 10.0 GPM. This model features X3® Scale Prevention Technology that It utilizes condensing technology to achieve a Uniform Energy Factor of 0.81. This model meets Ultra-Low NOx requirements, and has a 15-year limited warranty on the heat exchanger in residential applications.