How Do You Install a Bathtub Spout?


Quick Answer

To install a bathtub spout, remove the existing spout, purchase an appropriate replacement, cut the supply pipe to length, and place the replacement over the pipe. Tighten the setscrew to complete the process. Complete the installation in minutes.

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Full Answer

  1. Remove the old spout

    If the old spout has a setscrew on the bottom, loosen the screw, and pull it off the supply pipe. If it does not have a setscrew, insert a large screwdriver into the spout, and turn it counter-clockwise to unscrew it.

  2. Inspect the supply line

    If the supply line from inside the pipe is 1/2-inch copper but has a threaded fitting on the end, cut it with a tubing cutter to leave three inches of pipe exposed. If it is galvanized pipe, purchase a threaded spout.

  3. Clean the copper

    Use steel wool to clean the copper pipe to remove any corrosion. Make sure it is bright, and there are no remaining burrs or sharp edges.

  4. Install the spout

    Apply silicone lubricant on the end of the copper pipe. Slide the new spout in place, and tighten the setscrew. Check for leaks. If the supply line is galvanized, apply plumber's tape to the threads at the end of the pipe, and screw the new spout into place.

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