Cheater Vent Under Kitchen Sink

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

Cheater vent under kitchen sink.

The appropriate coupling for the aav glued or threaded attaches to the tee. If your drain gurgles runs slow or hisses the problem may or may not be your check vent. Locating the valve in a sink or vanity cabinet is acceptable. Some communities allow you to vent sinks with an air admittance valve or cheater vent.

Sometimes called a cheater valve or a studor vent a spring loaded aav opens when waste water flows down the drain and closes again when the water stops flowing thus preventing sewer gases from. In this video i talk about a cheater vent that is sometimes used in plumbing systems. Studor aavs must be installed in the vertical upright position. Check the manufacturer s instructions and local codes to determine the proper height for the aav above the drain.

Pvc sink drain plumbed with a standard vent pipe venting to the roof for standard wastewater drain pipes to function properly in a residential plumbing system there must be adequate venting. Remove your check vent set a pail underneath the pipe and then run water into your drain again. If you drain backs up and you see waste water underneath your sink your check vent may be leaking and should be replaced. Cheater vent tee female threaded adapter 90 degree elbow primer cement saw.

Install the pvc drain line the sanitary tee and the p trap for sink. How to install a cheater vent supply list. A maximum deviation in either direction for plum of 15 degrees is allowed. If you live in such a community and your existing vent fails installing an aav is an easy alternative to.

In new construction this is done by plumbing vent pipes off of all drain lines and running the vent pipes to the roof of the building.