Low Pressure Gas LPG Fireplace Failure Control Valve Kit Gas Heater Thermocouple Replacement 5/8-18UNF Flame failure valve with inlet and outlet with Flare thread 5/8-18UNF_x005f_x000D_ Only suitable for Low pressure application (max BTU rating: 50000)_x005f_x000D_ Suitable for Gas grill, heater, fire pit, fireplace if same connections Specifications:_x005f_x000D_ 600mm thermocouple with M8*1 threaded Bakelite knob OD 38mm, D shaft 6.1mm_x005f_x000D_ Operation Instructions_x005f_x000D_ 1. Fix the valve on a plate or board of your grill or fire pit by the screw and flange._x005f_x000D_ 2. Connect your inlet and outlet hose on inlet and outlet side. (fix it tightly enough in case of gas leakage)_x005f_x000D_ 3. Fix the thermocouple nut M8 on the valve end tightly (Check if your valve end thread if 8mm before you buy)_x005f_x000D_ 4. Connect thermocouple and end thread well_x005f_x000D_ 5. Open gas by correct size knob and push your valve around 5-10s till the thermocouple is heated enough._x005f_x000D_ 6. Release your hand and it work properly If when you release hand, gas valve shut off again, please check_x005f_x000D_ If your thermocouple is always be heated on flame_x005f_x000D_ If the thermocouple end is well connected with valve_x005f_x000D_ If the inlet and outlet side well connect with hose you have_x005f_x000D_ Colour: yellow_x005f_x000D_ Material: copper Package Contents:_x005f_x000D_ 1 x Gas Control Valve Only the above package content, other products are not included._x005f_x000D_ Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_