1 out of 5EasyFairly advanced plumbing skills are needed to connect the new sink to the existing water-supply pipes and drain lines.
4 to 6 hours
In this video, This Old House plumbing and heating expert Richard Trethewey explains how to install a utility sink.
Steps for installing a utility sink
- Turn off water
- Cut section from existing drain pipe and install a new Wye-fitting
- Assemble PVC pipe and fittings for new drain/vent system
- Glue drain/vent system to existing vent stack
- Rough in the PVC trap assembly
- Set the sink into position, inserting its chrome tailpiece into the PVC trap
- Tighten the compression nut on the tailpiece to secure the trap
- Place plumber’s putty under faucet, and install it to the sink deck; tighten nuts from below
- Cut into existing hot- and cold-water supply pipes, and solder in tee fittings
- Install copper wall anchors to hold new piping in place
- Attach flexible supply lines to the hot- and cold-water pipes, and to the faucet