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Step 7 · Testing for Leaks and Performance

After allowing the PVC cement to cure according to the manufacturer's instructions (typically 15-30 minutes for handling, longer for full pressure), it's time to test your work. Reconnect the P-trap to the sink drain. Turn on the faucet and fill the sink completely with water. Then, release the stopper and let it drain all at once. Watch all the new joints carefully for any signs of leaks. Listen for the sound of the AAV opening; you may hear a faint hiss as it draws in air. The water should drain quickly and smoothly without any gurgling sounds.

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Step 7 · Testing for Leaks and Performance

After allowing the PVC cement to cure according to the manufacturer's instructions (typically 15-30 minutes for handling, longer for full pressure), it's time to test your work. Reconnect the P-trap to the sink drain. Turn on the faucet and fill the sink completely with water. Then, release the stopper and let it drain all at once. Watch all the new joints carefully for any signs of leaks. Listen for the sound of the AAV opening; you may hear a faint hiss as it draws in air. The water should drain quickly and smoothly without any gurgling sounds.

Tools and Materials

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How to Install an Air Admittance Valve (AAV)

Step 7 of 7·30 min left

Preparation and Safety
15 mins3 itemsBeginner
Mark the Cut Location
10 mins3 itemsIntermediate
Cut the Drain Pipe
15 mins4 itemsAdvanced
Install the Sanitary Tee
20 mins3 itemsAdvanced
Attach Vertical Vent Pipe
10 mins6 itemsIntermediate
Install the AAV
10 mins4 itemsBeginner
7
Testing for Leaks and Performance
30 mins2 itemsBeginner
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