[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394 inch), Outlet Thread: 7/16 inch-24UNF (0.429 inch), Turn-ON Gas Valve with 8mm Spindle Shaft, Pilot Burner Connection Thread: M8*1 (Valve is for low pressure only). Control Valve and Coupler Suitable for Propane Gas Heaters with Thermoelectric Safety. Works with Outdoor Propane Patio Heaters, Standing Patio Heaters, Tower Glass Tube Heaters, Table Propane Heaters, 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 (0.429 inch) Thermocouple with high-quality solid brass material and high-temperature protective cover. Thermocouple wire length: 350mm Pilot Burner Connection Thread: M8*1 (Valve is for low pressure only) Bakelite knob with D-shaft 8mm, made of ABS material, solid structure, durable. FD4 weak current tilt dump switch, gas R less than 10 m Wide Range of Compatibility: This propane gas control safety valve kit is made of high-quality brass material for durability.NOTE: 1. Check whether the interface of your heating equipment matches the product you buy, as the product is not universal and heating equipment has different models of interfaces. 2. When installing, ensure the mounting position of each part is accurate. 3. Ensure the thermocouple is well connected to the dump switch or valve. 4. If you loosen the knob, the gas valve closes again. Check that your thermocouple is always heating. Turn on the gas and push the valve for 510 seconds until the thermocouple probe is heated.Color: As Shown in Picture Material: Brass, Plastic Size: 11.5 cm Package Contents: 1 x Heater Control Valve 1 x Coupler Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 13 cm.