[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394 inch), Outlet Thread: 7/16 inch-24UNF (0.429 inch), Turn-ON Gas Valve with 8 mm 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 made with high-quality solid brass material and high-temperature protective cover. Thermocouple wire length: 350 mm Pilot Burner Connection Thread: M8*1 (Valve is for low pressure only) Bakelite knob with D shaft 8 mm, made of ABS material, solid structure, durable. FD4 weak current tilt switch, gas resistance less than or equal to 10 m Patio Heaters Wide range of compatibility This propane gas control safety valve kit is made of high-quality brass material for durability. NOTE: 1. Please check whether the interface of your heating equipment matches our product before purchase, as the product is not universal and heating equipment may have different interface models. 2. During installation, ensure each part is accurately positioned. 3. Ensure the thermocouple is properly connected to the switch or valve. 4. If the knob is loosened, the gas valve will close. Make sure the thermocouple is consistently heated by the flame. Turn on the gas and press the valve for 510 seconds until the thermocouple probe is sufficiently heated. Color: As shown in photo Material: Brass, Plastic Size: 11.5 cm Package Contents: 1 x Heater Control Valve 1 x Coupler Only the items listed above are included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 13 cm.