Check Valve In Kitchen Sink

In some cases check valves are needed on faucets to prevent hot or cold water from flowing through the faucet when there is demand on another part of the system.

Check valve in kitchen sink.

The vent shall connect to the drain vertically to maintain an unobstructed opening in the piping to the studor aavs. Residential faucets typically do not require or need check valves. Under sink shutoff valves also called fixture shutoffs or stop valves allow you to turn off the water to the sink or other fixture without having to use the home s main shutoff. Shut off your isolation valves open your faucet and disconnect the hoses from the valves.

Faucet connectors onto the faucet connections and then measure and cut the pex and push into the outlet on the stop valve and the faucet connector and the installation is complete. The included pex coils can be cut to the exact length needed so there is no excess supply line to coil up under the sink providing a clean tangle free look. If this happens to you you can simply replace the valve with a new valve that matches the old one. You don t need tape on the side of the tee your sink hose connects to.

An internal washer provides the. Studor aavs must be installed in the vertical upright position. Tighten as necessary until the joints are sealed. Once the stop valves are installed thread the 1 2 in.

These inexpensive little valves rarely get used and when they do sometimes they leak. The purpose of any check valve is to allow water to flow in one direction and prevent flow in the opposite direction. Let the water flow through the faucet to clear air in the lines and check for leaks by feeling the fittings and examining them with a flashlight.