Gas Patio Heater Control Valve Thermocouple Sensor Dump Switch Knob Propane LPG Fire Pit Control Valve Compatible with: 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. This valve is designed for low pressure use only. 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 Hampton Bay patio heaters. Not suitable for natural gas heaters. Constructed from high-quality brass for durability and safety. Includes a thermocouple made of solid brass with high-temperature protective cover. Thermocouple wire length: 350mm. Features an 8mm D-shaft Bakelite knob made from ABS material for a durable, solid structure. Equipped with FD4 weak current tilt dump switch, gas resistance ≤ 10 m. Wide compatibility with various propane-powered heating appliances. Note: 1. Please verify that the interface of your heating equipment matches this product before purchase, as it is not universal and equipment may vary by model. 2. During installation, ensure each component is correctly positioned. 3. Confirm the thermocouple is securely connected to the dump switch or valve. 4. If the knob is loosened, the gas valve will close. Ensure the thermocouple is properly heated by the flame. After turning on the gas, press and hold the valve for 5–10 seconds to allow the thermocouple probe to heat up. Color: As shown in photo Material: Brass, plastic Size: 11.5 cm Package Contents: 1 x Heater Control Valve 1 x Thermocouple Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance: ±1–3 cm.