... products: barbecue grill,fryer,gas oven, patio heaters ect flameout Product use: for gas cookers, gas oven, outdoor heaters, volumetric gas water heaters ... the use of electromagnetic valve is composed of gas safety protection devices, remove thermocouple is a microprocessor ... solenoid valve and the incentive effect, in which, the gas absorption, when the flame, thermocouple rapidly lose potential, ...