
Gas Valve control the flow of natural gas that moves from a gas main line to a furnace. As of 2010, most new gas furnaces come equipped with natural gas valves. When a furnace is installed, the natural gas valve is calibrated so it properly senses the amount of gas, called gas pressure, that the natural gas lines are supplying it with.
1 Turn off the power supply to your gas tank. The gas tank must not be running while preparing to unlock the gas valve. If you do not turn off the gas tank, the pressure from the gas could damage the gas valve.
2 Determine the location of the gas valve. Some gas valves are located outside on or near your gas meters. Other gas valves are located right near the furnace in your basement or heating room.
3 Find which type of wrench will help unlock the gas valve Brass Bibcock. The two main wrenches most commonly used to lock or unlock a gas valve are adjustable or crescent wrenches. See which wrench fits over the gas valve.
4 Turn the gas valve in a counter-clockwise direction. A counter-clockwise direction should open or unlock the gas valve.
5 Perform any of the maintenance you wanted to do. Once you are finished, turn your gas valve in a clockwise direction until it is tight. Then, turn back the power supply of the gas tank.
The article comes from Brass Valves.
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1 Clean the counter and the hole into which the faucet will connect to the counter by scraping it with a putty knife or brushing it with a wire brush. 2 Apply plumbers putty to the underside of the