... barbecue grill,fryer,gas oven, patio heaters ect flameout Product use: for gas cookers, gas oven, outdoor heaters, volumetric gas water heaters and ... and the incentive effect, in which, the gas absorption, when the flame, thermocouple rapidly lose potential, electromagnetic valve is ... under the action of compression spring and gas path, and safety protection. Gas water heater thermocouple JWT-K16