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 7/16 inch -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 ensure the installation position is accurate when installing. Color: Brass Material: Brass Package Contents: 1 x Gas Safety Control Valve Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Sold by DIMEANI official store