You don t need tape on the side of the tee your sink hose connects to.
Check valve installation in kitchen sink.
For many of us when there is a plumbing problem such as sewer vent under the kitchen sink it creates an uncomfortable environment.
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.
Place a bucket under the old valve.
Tools that you may need.
Install the pvc drain line the sanitary tee and the p trap for sink.
Check the manufacturer s instructions and local codes to determine the proper height for the aav above the drain.
Install the new check valve so that this arrow points toward the drain and away.
Deburr the pipe with a deburring tool.
Locating the valve in a sink or vanity cabinet is acceptable.
An internal washer provides the.
Check valves are marked with an arrow that indicates drain flow.
If you see any tighten the nut until the leaking stops.
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.
When cutting the supply line cut slowly and gently so as to keep the line round.
Shut off your isolation valves open your faucet and disconnect the hoses from the valves.
The vent shall connect to the drain vertically to maintain an unobstructed opening in the piping to the studor aavs.
Check the top of the check valve before you install.
Turn off the valve then turn on the water and check the connection for leaks.
Reconnect the faucet supply hose and the p trap once you re.
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.