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The EverFlow AAV1122P is designed to handle up to 160 Drainage Fixture Units (DFUs) for branch applications and 24 DFUs for stack applications. This air admittance valve comes with two 1-1/2 inch PVC adapters to simplify installation.
Convenient for plumbing systems where traditional venting is not feasible.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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