Fangrui Product Details 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 Resistance Sleeves. It Has An M8 X 1 Fixed Thread Head With End Thread Nuts That Are Compatible With 8mm Gas Valves. High Quality Parts Thermocouple And Tilt Switch Control Safety Kit For Patio Heater High Quality-keep Safe With High-quality Patio Heater Parts You Can Install In Minutes. Tilt Switch: Made Of Sturdy Abs Plastic, Which Will Automatically Stop Heating When The Gas Heater Is Tilted. Thermocouple: Made Of High Standard Brass And Red Copper Color: As Shown Material: Plastic + Metal Protection Sleeve: High Temperature Resistance Wide Compatibility: Compatible With Most Gas Heater,outdoor Propane Gas Patio Hea