🔻What is an Air Admittance Valve?
🔻An air admittance valve is a plumbing device that allows air to enter the drainage system.
* It is used as an alternative to vent pipes, which are traditionally used to prevent sewer gas from entering the house.
How it Works:
🔻Sealing Mechanism: The valve has a sealing mechanism that is closed when there is positive pressure in the drainage system (e.g., when water is flowing through the pipes).
* Air Entry: When the system is draining and negative pressure develops, the sealing mechanism opens, allowing air to enter the system. This equalizes the pressure and prevents sewer gases from being pushed up into the house.
Benefits of Air Admittance Valves:
🔻Space Saving: They are smaller than traditional vent pipes, making them easier to install in tight spaces.
* Cost-Effective: They can be less expensive to install than traditional vent pipes.
* Aesthetics: They can be less obtrusive than vent pipes, improving the appearance of the plumbing system.
Limitations:.
🔻They may not be suitable for all plumbing applications.
* They may require specific installation requirements to ensure proper function.
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