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, Hampton 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 sleeves. It has an M8 x 1 fixed The simple tailoring outlines the body curve and shows a natural and generous temperament. Whether it is daily commuting or casual dating, you can easily control it and wear it to show your unique charm.