Check Valve Installation In Kitchen Sink

The appropriate coupling for the aav glued or threaded attaches to the tee.

Check valve installation in kitchen sink.

Install the pvc drain line the sanitary tee and the p trap for sink. An internal washer provides the. 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. Shut off your isolation valves open your faucet and disconnect the hoses from the valves.

Studor aavs must be installed in the vertical upright position. Check valves are marked with an arrow that indicates drain flow. 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 see any tighten the nut until the leaking stops. Check the top of the check valve before you install. Deburr the pipe with a deburring tool. 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.

A maximum deviation in either direction for plum of 15 degrees is allowed. Place a bucket under the old valve. 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. Reconnect the faucet supply hose and the p trap once you re.

You don t need tape on the side of the tee your sink hose connects to. Install the new check valve so that this arrow points toward the drain and away. Locating the valve in a sink or vanity cabinet is acceptable. Check the manufacturer s instructions and local codes to determine the proper height for the aav above the drain.

The vent shall connect to the drain vertically to maintain an unobstructed opening in the piping to the studor aavs.