Flame failure valve with inlet and outlet featuring Flare thread 5/8-18UNF. Suitable for low pressure applications only (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 38mm outer diameter and 6.1mm D-shaftInstallation and operation instructions: 1. Secure the valve to the grill or fire pit panel 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 the valve end thread is 8mm before installation.) 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 510 seconds to allow the thermocouple tip to heat sufficiently. 6. Release the valve. If the gas shuts off after releasing, check the following: - Ensure the thermocouple is exposed to the flame - Confirm the thermocouple end is securely connected to the valve - Verify all inlet and outlet connections are properly secured with hosesColor: Yellow Material: Copper Package contents: 1 x Gas control valve Note: The product includes only the items listed above. Other accessories shown in images are not included. Due to variations in lighting and display settings, the actual color of the item may differ slightly from the image. Measurement tolerances are within 13 cm.