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  • Writer's pictureMr.U-Plumber

How to install a correct P-Trap


P-Trap install
P-Trap install

Connecting a P-Trap underneath the sink is an essential step in plumbing installation. Here’s a step-by-step guide to help you get it right:

1.Prepare the Area:

  • Before you start, ensure that the sink drain hole is clean and free of debris.

  • Gather the necessary tools and materials, including a P-Trap kit, channel lock pliers, and a hacksaw. 2.Install the Tailpiece:

  • The tailpiece is the pipe that connects to the sink’s drain hole.

  • Slide one of the P-Trap’s sealing gaskets and compression nuts onto the tailpiece.

  • Attach the tailpiece to the sink drain outlet pipe, tightening the compression nut by hand.

3.Attach the Horizontal Arm:

  • The horizontal arm connects the P-Trap to the wall stub or drainpipe.

  • Slide the P-Trap itself onto the tailpiece, ensuring it’s positioned correctly.

  • Tighten the compression nut on the tailpiece. 4.Connect the P-Trap:

  • Slide the other sealing gasket and compression nut onto the drain stub (wall pipe).

  • Attach the P-Trap to the drain stub, securing it with the compression nut.

  • Make sure the waste arm (the curved part of the P-Trap) is at the bottom. 5.Adjust the Length:

  • If needed, adjust the length of the P-Trap arm using a hacksaw.

  • Hand-tighten all nuts, then use channel lock pliers to tighten them further (but not too much to avoid damage). 6.Check for Leaks:

  • Turn on the faucet and check for any leaks.

  • Also, remove the plug from the overflow drain if your sink has one.

Remember to follow local building codes and safety precautions during the installation process. Happy renovating! 🛠️🚰

For visual demonstrations, you can refer to these helpful video:



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