YASHANG Thermocouple length 600mm Head Tip M8*1 (this is the low pressure control valve maximum rating BTU 50000); When installing, please make sure the installation position of each part is accurate, incorrect installation will make it unusable, especially the thermocouple. Low working pressure Max 1/2 PSI (65mbar), CE&CSA tested main control valve inlet and outlet with 3/8" male flare Plastic black bakelite knob 38mm diameter and "D" insert for valve 6.0-6.1mm Suitable for a variety of low pressure heaters, grills and ovens. Need to push the valve first, then turn the spindle and hold for a few seconds, it doesn't stick right away May take 5-15 seconds If you lack access, please contact us Packing list: 1 set