Thermocouple Product use for: gas cookers, gas oven, outdoor heaters, volumetric gas water heaters and remove protection device Thermocouple Thermal Potential ( ... safety protector Product use for: gas cookers, gas oven, outdoor heaters, volumetric gas water heaters and remove protection deviceThermocouple is a ... then the magnet acts so that the gas valve is closed ,which prevent the danger from ...