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. Tighten the thermocouple nut M8 on the valve end securely. (Check if your valve end thread is 8mm before purchase) 4. Connect thermocouple and end thread properly. 5. Open gas using the correct size knob and press and hold 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 exposed to the flame - Verify the thermocouple end is securely connected to the valve - Confirm the inlet and outlet are properly connected to the hoses Color: Yellow Material: Copper Package Contents: 1 x Gas Control Valve Only the above package content; other products are not included Note: Lighting and display settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 13 cm.