NOTE: •The product Inlet& Outlet are female Connectors:1/2''NPT threads, Please use proper threads accordingly. •Please remove the blue cover before use. •Even using this product, The user should not stay away from it for a long time to avoid the accidents. •This product is equipped with the normally open position "ON", If you don't want to use timing, turn the time adjusting knob clockwise and turn the timing indicator to "ON". •If timing is less than 20 mins,Please rotate for more than 20 mins first and then rotate it back to the time which you want as they are mechanical structure. •Pipe Thread sealant is required when connecting other threads. •The product is very easy to install, as long as you find the corresponding threads, if you have questions about the installation, It is recommended to find a professional to install the product. Function Specification It is equipped with timing, energy-saving functions, and characterized with stability and durability. This pocket-sized device connects between the gas cylinder and regulator, The GAS timer runs for up to 60 minutes and the GAS TIMER VALVE shuts off when the time runs out. Now we just turning the timer to 1 hour or so for most items, we know the BBQ will turn off even if I forget. THE INSTALLATION Natural Gas Pipe line (Chart 1)Installation diagram of natural gas Liquefied Petroleum Gas (Chart 2)Installation diagram of liquefied petroleum gas Applied to all kinds of household gas stoves and heaters that use pipeline gas,LPG, CNC,Simply fit the Auto grill shut-off timer in the gas supply line before the grill. SPECIFICATIONS: Capacity: 90,000 BTU(NG) 13,8000 BTU(LP) Inlet Connector: 1/2''NPT female connector Outlet Connector: 1/2''NPT female Pipe connector HOSE Connector: 1/2'' male connector Weight: 0.92 lb Size: 5.2*2.8*2.7 in Timing Range: 0-60min Accuracy:±4% Working Temperature: -20℃~+55℃ Rotation Angle: 270° Life time: 10000 times Usage: Rotate clockwise