Product code :AF Product describe : Thermostatic multifunctional gas control valve Application : Multifunctional control with On-Off thermostat and temperature control knob, for gas water storage heaters. Main features :  Ignition button Temperature selection knob Thermoelectric flame failure device Reference notch On-Off type thermostat Gas inlet Main gas outlet Pilot outlet Energy Cut-Off device (E.C.O) Adjustment screw for gas flow to the main burner Adjustment screw for gas flow to the pilot burner Gas control pars :        0°c - 80°c Working temperature range 85°c ± 3°c E.C.O. range 30°c - 70°c 35°c - 75°c 40°c - 80°c 45°c - 85°c Thermostat range P=2.5 mbarΔ 2.3 m³/h NATURAL GAS d=0.65 Gas flow rate L.P.G. & NG Gas type Connections :     RP ½˝ Gas inlet thread RP ¾˝ Gas outlet thread M 10x1 Pilot outlet M 9x1 Thermocouple NPT ¾˝ Flange water thermostat