[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394 inch), Outlet Thread: 7/16 inch-24UNF Thread (0.429 inch), Gas Valve on Knob with 8mm Spindle Shaft, Pilot Burner Connection: M8*1 (The valve is only compatible with low pressure). Control valve and coupling suitable for propane heaters with thermoelectric safety, works with propane patio heaters, standing patio heaters, glass tube tower heaters, table top propane heaters, foldable patio heaters. Not suitable for use with natural gas heaters. The propane valves are made of high quality brass with robust construction for safety and durability. Inlet Thread: Female M10*1 (0.394 inch) Outlet Thread: 7/16 inch-24UNF Thread (0.429 inch). Thermocouple with high quality solid brass material and protective sleeve for high temperature. Thermocouple wire total 350mm. Pilot Burner Connection: M8*1 (The valve is only compatible with low pressure). Bakelite knob D-shaft 8mm, made of ABS material, solid structure, durable. FD4 tilt switch for low current, gas R less than or equal to 10m. Patio heater, wide compatibility. This safety valve for propane regulation is made of high quality brass material for durability. NOTE! 1. Please check if the interface of your heating equipment matches our product before purchasing, as the product is not universal, heating equipment has different models of interfaces. 2. Make sure that the installation position for each part is correct during installation. 3. Make sure that the thermocouple is properly connected to the tilt switch or valve. 4. If you release the knob, the gas valve will close again. Make sure that the thermocouple is always heated on the flame. Turn on the gas and press the valve for 5-10 seconds until the thermocouple probe heats up. Color: Photo color. Material: brass, plastic. Size: 11.5 cm. Package contents: 1 x Heater control valve. 1 x Connector. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the product in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm.