Valve is multifunctional control with modulating thermostat and additional on-off function. It can be used for Space heaters, convector heaters, storage water theaters, boilers, catering appliances and all those appliances that require accurate temperature control. Main functions: Control knob with positions for off, pilot and temperature selection Thermoelectric flame supervision device with re-start interlock Max gas flow adjustment Pressure regulator Min flow adjustment Modulating thermostat with additional on-off function Pilot outlet with pre-setting device of the gas flow Inlet and pilot filter Lateral or bottom main gas inlet and outlet Main gas connections with threaded pipe or nut and olive Main data: Max gas inlet pressure: 50mbar Outlet pressure setting range: 3-18mbar Working temperature range: 0-80degree