Can you use an air admittance valve for a washing machine?

Can you use an air admittance valve for a washing machine?

Fitting easily inside a laundry box, a small AAV is a good choice for venting a washing machine. This one connects to a 2-inch trap, which drains into a 3-inch branch line.

Can you use a studor vent on a washing machine?

Plumbing codes permit either a 1-1/2- or 2-inch standpipe for washing machines. When these standpipes have a vent that terminates to an air admittance valve, the water cannot rise in the vent pipe. The air admittance valve is in the closed position under neutral or positive pressure.

How often should you change an air admittance valve?

Remember that these valves should last anywhere from 20 to 30 years, so if they are only lasting for a couple of years, there may be some problems that need addressing.

What does a Studor air admittance valve do?

Studor Air Admittance Valves (AAVs) are negative pressure-activated, one-way vents, used in a drainage system to eliminate the need for passive pipe venting and unsightly, costly roof penetrations. A valve for single fixture and group venting. A valve for stack venting, eliminating the need for a vent pipe through the roof.

Why is a Studor vent pipe called an active valve?

This is to release a vacuum and allow air to enter the plumbing vent pipe, thus balancing the pressure into the system so the drainage can function correctly. The Studor vent piping system is commonly known as an active system, rather than a conventional ‘passive’ vent pipe system, because the AAV opens when there is a need.

What can you use a Studor AAV for?

It can also be used with other Studor AAVs to complement larger and high-rise building drainage systems and is ideal for all single fixtures: washing machines, toilets, sinks, baths and showers, etc.

What does an air admittance valve ( AAV ) do?

An air admittance valve, or AAV, provides a way to vent a sink drain or a system of drains without having to tie into the building’s main venting system.