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How to Install Vessel Sink Faucets

by Paul Sanders

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Chrome bathroom faucet on a pedestal sink

Things You Need:

  • Vessel sink faucet
  • Power drill
  • Flex hoses
  • Adjustable wrench
  • Plumber's putty

An elegant vessel sink can add a touch of modern flair to any bathroom. The requirements for installing vessel sinks and their compatible vessel sink faucets can vary a bit from regular bathroom faucets, however. Here are some simple instructions to help you get your vessel sink faucet installed properly and change the look of your bathroom.

Installing Vessel Sink Faucets:

  1. Assemble the faucet assembly. Each vessel sink faucet is different, so follow the manufacturer's instructions to properly assemble the faucet without the flex hoses attached.

  2. Drill a hole for the faucet. Depending on your vanity countertop's material, you may be able to drill a hole for the faucet yourself.

  3. Test the location of the faucet in relation to the vessel sink to be sure that the water will flow properly into the sink bowl.

  4. Mark the hole's location on the countertop with pencil or chalk. The hole needs to be large enough to fit the vessel sink faucet, but small enough not to be noticeable once the faucet is installed. See the faucet manual for specific hole-size recommendations.

  5. Drill the hole and wipe away any dust or debris. Select a drill bit appropriate for the countertop material and size of hole you need to drill.

  6. Insert the faucet into the vanity. Apply plumber's putty to the bottom of the one or more gaskets on the bottom of the faucet fixture. Insert the fixture into the hole and orient it properly with respect to the sink, pressing it firmly into place.

  7. From underneath the countertop, screw the rubber washer and brass nut to the bottom of the vessel sink faucet and tighten by hand. Wipe away any plumber's putty that seeps out.

  8. Attach the flex lines. Your fixture may require extender sticks that attach to the existing water lines inside the vessel sink faucet. Insert those, being careful not to over-tighten them. Attach the flex lines from the wall to the hot and cold lines on the lines or extenders in the vessel sink faucet and hand-tighten those as well.

  9. Turn on the water. Test the water flow into the sink from the vessel sink faucet fixture. Check for any leaks around the base of the fixture and underneath the countertop. You may want to apply plumber's tape to threads on any leaky connections.

Faucet Installation Tips:

  1. Hand-tighten nuts and washers to avoid scratching or cracking your glass or granite countertop.

  2. This guide provides instructions for installing a vessel sink faucet in a countertop. If your faucet is designed for wall-mounted installation, some of the steps may vary.

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