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