This thermocouple and tilt switch is to solve the problem of pilot light NOT stay lit. Work with outdoor propane patio heater, standing patio heater, tower glass tube heaters, table propane heater, bay patio heater etc. Easy to install, just connect the 2 lead together to bypass it. The thermocouple wire has a full extension length of 350mm with temperature resistance sleeves. It has an M8 x 1 fixed thread with end thread nuts that are compatible with 8mm gas valves. High Quality Replacement Parts Thermocouple and Tilt Switch Control Safety Kit for Patio Heater High Quality-Keep safe with high-quality patio heater replacement parts you can install in minutes. Tilt switch: made of sturdy ABS Plastic, which automatically stop heating when the gas heater is tilted. Thermocouple: made of high standard brass and Color: as shown Material: Plastic + Metal Protection sleeve: high temperature resistance Wide Compatibility: compatible with most gas heater,outdoor propane gas patio heater, standing patio heater, tower glass tube heaters, table propane heater, room gas heater, bay patio heater etc. Specifications: Item: Thermocouple and Tilt Switch 15A weak current switch for gas R≤10 mΩ How to know if you need this Thermocouple Repair Kit If your pilot light not stay lit, a bad temp sensor or tilt switch is probably the culprit. If you have any problems with propane patio heater refuse to or light goes on and off, you should get this part that replaces both of those components and dump switch. Keep safety thermocouple's probe is highly sensitive and can immediately sense changes in temperature. In case of the heater toppling down or if the tilt dump switch is tilted in any direction, the mechanism automatically shuts the heater off, preventing gas leaks. Every easy to install save time and effort with this pre-assembled thermocouple and dump switch kit, just con