Product use: for gas cookers, gas oven, outdoor heaters, volumetric gas water heaters and remove protection ... device. Product use: for gas cookers, gas oven, outdoor heaters, volumetric gas water heaters and remove protection device.Electromagnetic ... magnetic valve, pilot burner,gas magnetic valve for gas cooker,gas cooker, water heaters, solenoid valve. thermocouples,electromagnetic vlaves,gas ...