Fabulous Sink Drain Vent Diagram

Check the manufacturers instructions and local codes to determine the proper height for the AAV above the drain.

Sink drain vent diagram. From the center of the drain measure 4 inches to the left and 4. The image below illustrates s typical bathroom with multiple plumbing vents. The hot line and cold line are spaced 8 inches apart from left to right.

Plus a drain-cleaning snake can drill right through the side of the pipe or end up going up the vent instead of down the drain. The required vent shall be a dry vent that connects to the building drain or an extension of a drain that connects to the building drain. If the vent wall is parallel to the drain pipe install a 45-degree reducing Y and a street elbow to point toward the wall.

Water runs down the sink drain into a p-trap so called because its shaped like the letter which fills up with water to prevent sewer gases and odors from getting into the house through the pipe. The vent system serving each building drain shall have at least one vent pipe that extends to the outdoors. 33 Drop In 16 Gauge Stainless Steel Single Bowl Kitchen Sink.

If you dont have a vent on your sink drain you can use one of these air admittance in line vents from Oatey here. A wye is a fitting where the intersecting pipe connects at a gentle 45-degree angle so the waste water is persuaded to head downstream as well and any flexible metal drain. This prevents debris oil and fat from sticking on the wall of the drain.

Toilet Vent Option 3. Sanitary Tee Diagram Like other types of T fittings it connects two pipes for a main run and one at 90 degrees for a branch run. Such vent shall not be an island fixture vent as allowed by Section 913.

If the vent wall is opposite the drain line use a reducing Y and a street elbow. A kitchen sink drain needs to be vented so as to prevent clogging and ensure free flow of water and liquids from the sink. A secondary stack perhaps 2 or 3 inches in diameter serves a branch of the system.