[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]--- control valve kits are made of brass with heavy-duty construction for rugged durability, quality control standards to and , and snap into place. [APPLICATION]---This safety control valve with integrated igniter is used to repair and replace propane and natural main control valves of Garden heaters. Max BTU rating: 50000 ,working pressure 65 mbar. [EASY TO INSTALL] --- This safety control valve kit is easy to install, confirm the size is compatible purchase and make the installation position is accurate when installing. Colour:brass color Material:brass Package Contents: 1 x 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.