1, The 65 mbar propane gas control safety valve is used for gas BBQ grill, gas fire pit, gas heater, etc Inlet and outlet thread size: 3/8" (5/8"-18UNF)Flare male threa thread 2, Pressure is Low-Pressure 65Mbar(1/2PSI),Suitable for LPG gas low -pressure system (max BTU rating: 50000) 3, Thermocouple Length: 60cm/23.6inch with M8 tip and NUT,The probe is highly sensitive and can sense temperature fast,stable performance 4, This low-pressure LPG propane gas fireplace fire pit flame fail-safe control valve kit is easy to install,Installed vertically at the opening of the equipment container. Secure the safety control valve with screws through four threaded holes .