Heater Valve Flame failure valve with inlet and outlet with Flare thread 5/8-18UNF Only suitable for low pressure application (max BTU rating: 50,000) Suitable for gas grill, heater, fire pit, fireplace if same connections Flame failure valve with inlet and outlet with Flare thread 5/8-18UNF Only suitable for low pressure application (max BTU rating: 50,000) Suitable for gas grill, heater, fire pit, fireplace if same connections Specifications: 600mm thermocouple with M8*1 threaded Bakelite knob OD 38mm, D shaft 6.1mm Operation Instructions 1. Fix the valve on a plate or board of your grill or fire pit by the screw and flange. 2. Connect your inlet and outlet hose on inlet and outlet side. (Fix it tightly enough to prevent gas leakage) 3. Fix the thermocouple nut M8 on the valve end tightly (Check if your valve end thread is 8mm before purchase) 4. Connect thermocouple and end thread securely 5. Open gas using the correct size knob and press the valve for approximately 510 seconds until the thermocouple is sufficiently heated. 6. Release your hand. If the gas valve shuts off when released, check the following: - Ensure the thermocouple is properly exposed to the flame - Verify the thermocouple end is securely connected to the valve - Confirm inlet and outlet sides are properly connected to hoses Color: Yellow Material: Copper Package Contents: 1 x Gas Control Valve Only the above package content; other products are not included Note: Light and display differences may cause slight variation between the color of the item in the photo and the actual product. Measurement may vary by +/- 13 cm.