[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 replace 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. 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.