[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, strict 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 replace old propane gas and natural gas main control valves of Garden 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 the installation position is accurate when installing.Colour:brass colorMaterial:brassPackage Contents:1 x Gas Safety Control ValveOnly the above package content, other products are not included.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.