Check the listing for details. Universal 600mm Thermocouple for Gas Fireplace, Fire Pit Thermocouple, copper. Color: copper, Condition: New. Listed at 10.99 USD. Features: universal thermocouple Easy installation. time for opening valve: less than 10s Specifications: Total Length 600mm Head thread size: M8*1 End connection size for valve: M8*1 Voltage: >20mV (Used for gas fireplace, fire pit, grill, Stove, catering cooker, patio heaters etc.) Install steps: 1. install the thermocouple tip on a board and use two nuts to fix its location 2. Keep the tip about 5mm from the burner hole. 3. Fix the thermocouple nut M8 on the valve end tightly (Check if your valve end thread is 8mm before your buying) 4. Connect two flat terminals well with the current tilt switch terminals. 5. Turn on the gas and push your valve 5-10s till the thermocouple end is heated. 6. Release your hand and it work well. If failed, please check a. If your thermocouple is heated on flame b. If the thermocouple end is well connected with valve c. If the terminals connect tilt switch well. Package included: 1Pc x Universal Gas thermocouple 600mmItem SpecificsMPN :Does Not ApplyVoltage :>20mVHead thread size :M8*1UPC :Does not applyApplication :StoveEnd connection size for valve :M8*1Brand :UnbrandedType :Stove Pipe Thermometers