Usage Tips:This thermocouple and 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, patio heater etc. Easy to install, just connect the 2 lead 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 head with end thread nuts that are compatible with 8mm gas valves. Thermocouple and Switch Control Safety Kit for Patio Heater -Keep safe with patio heater you can install in minutes. switch: made of sturdy ABS Plastic, which will 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, patio heater etc. Specifications: Item: Thermocouple and Switch 15A weak current switch for gas R10 m How to know if you need this Thermocouple Repair Kit If your pilot light will not stay lit, a bad temp sensor or switch is probably the culprit. If you have any problems with propane patio heater refuse to or light goes , you should 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 dump switch is tilted in any direction, the mechanism automatically shuts the heater off, venting gas leaks. easy to install save time and effort with this -assembled thermocouple and dump switch kit, just connect the 2 lead to bypass it. There is no need for tools for installation. Enjoy your warm with members, , co-workers, outdoor activity or parties Package Contents: 1 x patio heater parts Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.