High Quality Thermocouple and Tilt Switch Control Safety Kit for Patio Heater 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 head with end thread nuts that are compatible with 8mm gas valves. High Quality-Keep safe with high-quality patio heater you can install in minutes. Tilt switch: made of sturdy ABS Plastic, which automatically stop heating when the gas heater is tilted., Weight: 0.31085178942 pounds, Manufacturer: HWIREUIGT