[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 systems. Works with outdoor propane patio heaters, standing patio heaters, tower glass tube heaters, table propane heaters, and 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 of high-quality solid brass with 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 low-current tilt switch, gas resistance less than 10 m Suitable for patio heaters Wide range of compatibility This propane gas control safety valve kit is constructed from high-quality brass for long-lasting performance NOTE: 1. Check whether the interface of your heating equipment matches this product, as it is not universal and different models may have varying connections. 2. During installation, ensure each component is accurately positioned. 3. Ensure the thermocouple is securely connected to the shut-off switch or valve. 4. If the knob is loosened, the gas valve will close. Make sure the thermocouple is properly heated. Turn on the gas and press the valve for 510 seconds until the thermocouple probe is 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 above items are included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations between the color in the image and the actual item. Measurement may vary by 13 cm.