[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394 inch), Outlet Thread: 7/16 inch-24UNF Thread (0.429 inch), ON-OFF Gas Valve with 8mm spindle shaft, Pilot Burner Connection Thread: M8*1 (Valve is for low pressure only). Control valve and thermocouple suitable for propane gas heaters with thermoelectric safety, Works with outdoor propane gas heaters, standing patio heaters, tower glass tube heaters, table top propane gas heaters, Hampton bay patio heaters. Not suitable for use with natural gas heaters. Propane gas valves are made of high-quality brass with heavy-duty 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 high-temperature protection. Thermocouple wire total 350mm Pilot Burner Connection Thread: M8*1 (Valve is for low pressure only). Bakelite knob D-shaft 8mm, with ABS material, solid structure, durable. FD4 weak current tip-over switch gas R less than or equal to 10 m Patio Heater Wide compatibility range This propane gas control safety valve kit 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. During installation, ensure that the mounting position of each part is correct 2. Make sure the thermocouple is well connected to the tip-over switch or valve. 3. If you release the knob, the gas valve will close again. Make sure your thermocouple is always heated by the flame. Turn on the gas and press the valve for 5-10 seconds until the thermocouple probe is heated. Color: Photo color Material: brass, plastic Size: 11.5 cm Package contents: 1 x Heater Control Valve 1 x Thermocouple Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.