How to Install a Pedestal Sink Trap

Written by frank whittemore
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How to Install a Pedestal Sink Trap
A pedestal sink hides the P-trap. (Jupiterimages/Goodshoot/Getty Images)

In a pedestal sink, the ceramic pedestal that holds the bowl hides the plumbing fixtures, including the P-trap. This device holds a small amount of water in it to prevent sewer gases from flowing up and out of the sink drain. The trap can also catch items that may be dropped down the drain accidentally. Exercise care when installing a P-trap on a pedestal sink to prevent damaging the ceramic. Installing a P-trap on a pedestal sink yourself will save a plumber's visit.

Skill level:
Moderately Easy

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Things you need

  • PVC glue

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Instructions

  1. 1

    Loosen and remove the compression collar and compression ring from the straight end of the P-trap. Slide the collar, then the compression ring onto the tailpiece that extends down into the pedestal from the drain in the bowl.

  2. 2

    Slide the straight end of the P-trap onto the end of the tail piece. Lower the compression ring and collar down the P-trap and screw the compression collar on loosely.

  3. 3

    Loosen the compression collar in the middle of the trap. Separate the end section of the P-trap from the main section.

  4. 4

    Paint the outside of the pipe that extends from the wall and the inside of the far end of the P-trap with a thin layer of PVC glue. Slide the end section of the P-trap onto the drain pipe in the wall to glue them together. Before the glue sets, adjust the end piece so the curve in the end piece faces downward.

  5. 5

    Push the compression collar and compression ring back onto the end section of the P-trap. Fit the two sections of the P-trap together, adjusting the height of the first compression collar to fit the two pieces together easily.

  6. 6

    Lower the compression ring and the compression collar on the end section down onto the main section the P-trap and screw the compression collar tightly in place. Tighten the other compression collar to complete the installation.

Tips and warnings

  • Allow the PVC glue to set completely before using the sink.

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