High compatibility：Thermocouple with Tilt Switch fits too most patio heaters and thermoelectric gas heaters, indoor-outdoor heaters, round vertical propane heaters and pyramid patio heaters Easy to install and use: the thermocouple is connected to the valve, the probe is connected to the ignition device, and the other two ports are connected to the safety dump switch, which does not require any additional tools and is directly compatible with the original assembly Safety guarantee: once the heater is tipped over, flameout or lack of oxygen, the valve will automatically close to protect your safety Package Included：Tilt switch X 1, thermocouple X 1 The thermocouple wire has an overall length of 13.8 inch. with temperature resistant sleeving. It has an M8*1 fixed thread head with an end threaded nut compatible with 8mm gas valves After-sales service, before and after the purchase you encounter any problems please contact us, we will provide you with a satisfactory solution. Thermocouple with Tilt Switch