How To Install A Bathroom Sink Drain P Trap

How to Install a Bathroom Sink Drain P Trap

Replacing or installing a bathroom sink drain P trap is a relatively simple plumbing job that can typically be completed in less than an hour. A P trap is a U-shaped pipe that connects the sink drain to the drainpipe in the wall. It serves as a water seal to prevent sewer gases from escaping into the bathroom and helps to keep the drain flowing smoothly.

Here are the steps on how to install a bathroom sink drain P trap:

Step 1: Gather your materials. You will need a new P trap, a slip joint nut, a lock nut, and a washer.

Step 2: Remove the old P trap. Place a bucket under the drain to catch any water that leaks out. Use a wrench to loosen the slip joint nut that connects the P trap to the sink drain. Once the nut is loose, you can remove the P trap by pulling it straight down.

Step 3: Clean the drainpipe. Use a wire brush to clean the inside of the drainpipe. This will remove any debris that could clog the new P trap.

Step 4: Install the washer and lock nut. Place the washer on the drainpipe, then thread the lock nut onto the drainpipe. Tighten the lock nut using a wrench until it is snug.

Step 5: Install the P trap. Slide the P trap over the lock nut. Tighten the slip joint nut that connects the P trap to the sink drain. Again, tighten the nut until it is snug, but do not overtighten it.

Step 6: Test the drain. Run water into the sink to test the drain. Check for any leaks around the P trap. If you see any leaks, tighten the slip joint nut or lock nut as needed.

That's it! You have now successfully installed a bathroom sink drain P trap.