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Kitchen sink needs vented out thru roof, but if not possible, some codes allow an AAV to be installed.

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14y ago

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Install air admittance valve?

I would install an AAV if


What is the recommended installation height for an air admittance valve?

The recommended installation height for an air admittance valve is typically between 4 to 6 inches above the highest point of the fixture it serves.


What is the purpose of an air admittance valve in a toilet system?

An air admittance valve in a toilet system allows air to enter the plumbing system, preventing negative pressure that can lead to slow drainage or gurgling noises.


How to install toilet air admittance valve?

put it on ya stink pipe


What is the purpose of an air admittance valve under the sink?

An air admittance valve under the sink is used to allow air to enter the plumbing system, preventing negative pressure and helping to maintain proper drainage flow.


Is the sink valve leaking in your kitchen or bathroom?

Is the sink valve leaking in your kitchen or bathroom?


Is the under sink valve leaking in your kitchen?

Yes, is the under sink valve leaking in your kitchen?


How can I determine if an air admittance valve is functioning properly?

To determine if an air admittance valve is functioning properly, you can conduct a visual inspection for any signs of damage or blockages. Additionally, you can test the valve by running water through the plumbing system and observing if the valve opens and closes as it should. If you notice any issues or irregularities, it may be necessary to replace the valve to ensure proper functioning of the plumbing system.


What is the purpose of an air admittance valve for a washing machine and how does it help in the plumbing system?

An air admittance valve for a washing machine is used to prevent sewer gases from entering the plumbing system. It allows air to enter the system to equalize pressure, which helps prevent siphoning and allows for proper drainage of water from the washing machine.


What is the location of the water shut off valve for the dishwasher in your kitchen?

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What is the purpose of an air admittance valve for a toilet and how does it work to prevent sewer gases from entering the bathroom?

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What is the open pipe in the middle of the plumbing for your double sink with dw and disposal that sometimes backs up and spews all over under the sink and is it correct or required?

It could very well be an "Air admittance valve." Plumbing systems require a smooth flow of air and water to operate properly, these vents historically were routed through the roof and allow for the relief of positive and negative pressures in the vent system. "Air admittance valves" are installed under sinks and lavatories that are inconvienient to route a vent to the roof. These vents while handy do not respond well to back pressure, they are designed to seal during moments of positive pressure and "breathe" while in moments of negative pressure, this is to prevent sewer gas from entering the room. The purpose of the trap is to prevent sewer gas from entering the room, the purpose of the vent is to relieve positive and negative pressures in the drain and vent system to prevent trap seal loss. The slang name for an "air admittance valve" is studor vent. "Studor" is a manufacturer of AAV's Hope this helps