>SERVICE: : Please make sure the product model and size are correct before you buy to avoid wasting your time and money, if there is any problem with the product please , we will reply you in time.>APPLICATION: : This gas valve kit is only available for low pressure burners less than 50,000 BTU and less than 65 mbar (1/2PSI) working pressure. Low pressure maintenance control systems for grills, fire pits, fireplaces, and heaters.>SIZE: :Thermocouple length 600 mm/23.62 inches, M8*1 threaded head, sensitive probe, stable performance, 3/8" (5/8"-18UNF) flared male thread, valve "D" insert 6.0-6.1 mm.>EASY TO INSTALL: : This low pressure fireplace pit flame failure safety control valve kit is easy to install by mounting the control valve vertically in the opening of the appliance, securing the valve to the plate of the grill or fire pit with screws through the four threaded holes, and attaching the thermocouple nut M8 tightly to the valve end. The knob is stuck on to complete the installation.PREMIUM MATERIALS: : Fire pit gas control valve kits are made of brass and zinc alloy with heavy-duty construction for rugged durability, strict quality control standards to build and test, and snap easily into place. Non-OEM but meets OEM standards.