[SIZE]---The safety copper valve shift "D" is 8mm x 6mm and the length is 14.5mm, compatible with many knobs. Control valve in & out thread is 7/16inch -24 UNEF, Thermocouple valve thread is M8*1. [PREMIUM MATERIALS]---Gas control valve kits are made of brass with heavy-duty construction for rugged durability, quality control standards to build and test, and snap easily into place. [APPLICATION]---This gas safety control valve with integrated igniter is used to repair and old propane gas and natural gas main control valves of Garden Sun gas heaters. Max BTU rating: 50000 ,working pressure 65 mbar. [EASY TO INSTALL] --- This gas safety control valve kit is easy to install, please confirm the size is compatible before purchase and make sure the installation position is accurate when installing. Colour:brass color Material:brass Package Contents: 1 x Gas Safety Control Valve Only the above package content, other products are not included.