Usage Tips: Flame failure valve with inlet and outlet featuring Flare thread 5/8-18UNF. Suitable only for low pressure applications (maximum BTU rating: 50,000). Compatible with gas grills, heaters, fire pits, and fireplaces with matching connections. Specifications: 600mm thermocouple with M8x1 threaded head Bakelite knob with outer diameter of 38mm and shaft diameter of 6.1mm Operation Instructions: 1. Secure the valve to the plate or board of your grill or fire pit using the head screw and flange. 2. Connect the inlet and outlet hoses to the respective sides of the valve. Ensure tight connections to prevent gas leakage. 3. Tighten the M8 thermocouple nut securely onto the valve end. (Verify that your valve end thread is 8mm before purchase.) 4. Ensure proper connection between the thermocouple and the valve thread. 5. Turn the knob to open the gas supply and press the valve for approximately 5–10 seconds until the thermocouple tip is sufficiently heated. 6. Release the valve. If the gas shuts off upon release, check the following: - Ensure the thermocouple is consistently exposed to the flame. - Confirm the thermocouple end is securely connected to the valve. - Verify that both inlet and outlet are properly connected to the hoses. Color: Yellow Material: Copper Package Contents: 1 x Gas Control Valve Note: The package includes only the items listed above. Other products are not included. Lighting conditions and display settings may cause slight variations in the color shown in images compared to the actual item. Measurement tolerances are within +/- 1–3 cm.