Step 7: Connect drain

connecting the drain of the sink
Photo: Keller & Keller
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Assemble the trap adapter onto the sink-drain tailpiece.

Cut and dry-fit lengths of PVC pipe to connect the trap adapter to the trap and the drain elbow to the waste line. Swivel the trap or slide it on the tailpiece to fine-tune the pipes' lengths and alignment. Take the drain pieces apart.

Clean off the cut ends with a utility knife. Coat them and their mating pieces with PVC primer. Let dry.

Swab PVC cement on both ends being joined. Immediately push pieces together. Hold for 30 seconds.

Reassemble and hand-tighten all threaded connections.

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    Tools List

    • tubing cutter
      Tubing cutter
    • jigsaw
      Jigsaw with laminate-cutting blade
    • drill
      Drill-driver with spade bit
    • ratcheting screwdriver
      Screwdriver
    • adjustable pliers
      Mechanic's pliers
    • adjustable wrench
      Adjustable wrench
    • 16-foot tape measure
      Tape measure
    • hack saw
      Hacksaw,
      for cutting PVC pipe
    • utility knife
      Utility knife or penknife,
      for removing burrs on PVC pipe cuts
    • straightedge guide
      Straightedge,
      for marking sink cutout

    Shopping List

    1. PVC PRIMER AND CEMENT

    2. PLUMBER'S PUTTY

    3. SAFETY GOGGLES

    4. 2-INCH DUCT OR MASKING TAPE

    5. PIPE-JOINT COMPOUND

    for sealing threaded metal joints