Check Valve Installation In Kitchen Sink

Install the new check valve so that this arrow points toward the drain and away.

Check valve installation in kitchen sink.

Tools that you may need. Cut the supply line with a pipe cutter leaving enough room between the escutcheon plate and the cut to allow installation of the valve fitting. If you install a vessel sink or an apron sink that rises above the countertop you must install the faucet so the spout is at least 6 inches above the bottom of the sink. Check the top of the check valve before you install.

An internal washer provides the. If you see any tighten the nut until the leaking stops. Check the manufacturer s instructions and local codes to determine the proper height for the aav above the drain. Install the pvc drain line the sanitary tee and the p trap for sink.

You don t need tape on the side of the tee your sink hose connects to. For many of us when there is a plumbing problem such as sewer vent under the kitchen sink it creates an uncomfortable environment. The sprayer unlike the faucet can sometimes be immersed so it must have some type of backflow prevention such as a vacuum breaker or a check valve. Deburr the pipe with a deburring tool.

The appropriate coupling for the aav glued or threaded attaches to the tee. Check valves are marked with an arrow that indicates drain flow. A maximum deviation in either direction for plum of 15 degrees is allowed. Locating the valve in a sink or vanity cabinet is acceptable.

When cutting the supply line cut slowly and gently so as to keep the line round. Turn off the valve then turn on the water and check the connection for leaks. It s important worth noting that local building regulations allow the installation of air admittance valves in that place of valves making it easier fixing by yourself at home. The vent shall connect to the drain vertically to maintain an unobstructed opening in the piping to the studor aavs.

Reconnect the faucet supply hose and the p trap once you re.