The new range of open-chamber, natural draught water heaters in the TGE LX series are manufactured in accordance with the new Low NOx regulation 812-814/2013 and are designed for natural gas operation. For LPG operation add the LPG kit code. The appliances are equipped with an electric gas valve and electronic flame ionisation ignition. The control of the various functions is managed by an electronic control unit, which oversees, together with the detection electrode and the operating and safety thermostats, the correct operation of the system.