Place a bucket under the old valve.
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.
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.
If you see any tighten the nut until the leaking stops.
Studor aavs must be installed in the vertical upright position.
For many of us when there is a plumbing problem such as sewer vent under the kitchen sink it creates an uncomfortable environment.
A maximum deviation in either direction for plum of 15 degrees is allowed.
Reconnect the faucet supply hose and the p trap once you re.
Check the top of the check valve before you install.
An internal washer provides the.
Shut off your isolation valves open your faucet and disconnect the hoses from the valves.
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.
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.
Turn off the valve then turn on the water and check the connection for leaks.
You don t need tape on the side of the tee your sink hose connects to.
Check valves are marked with an arrow that indicates drain flow.
Install the new check valve so that this arrow points toward the drain and away.
The vent shall connect to the drain vertically to maintain an unobstructed opening in the piping to the studor aavs.
Deburr the pipe with a deburring tool.
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.