Usage Tips: Flame failure valve with inlet and outlet featuring Flare thread 5/8-18UNF. Only suitable 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 M8*1 threaded head Bakelite knob with 38mm outer diameter and 6.1mm D-shaft Operation Instructions: 1. Secure the valve to a plate or board on 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. Properly connect the thermocouple and its end 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 after releasing, check the following: - Ensure the thermocouple is consistently exposed to the flame. - Confirm the thermocouple end is securely connected to the valve. - Verify the inlet and outlet are properly attached 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 color variations between the product image and the actual item. Measurement tolerances are within +/- 1–3 cm.