How to Replace a Leaky Bathroom Faucet -
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    How to Replace a Leaky Bathroom Faucet

    Materials Needed:

    Remodeled Bathroom
    • Faucet assembly
    • Drain assembly
    • Plumber’s putty
    • Teflon tape
    • Water supply lines
    • P-trap assembly

    Tools Needed:

    • Adjustable wrench
    • Basin wrench
    • Hacksaw
    • Slip-joint pliers


    1. Turn off water by closing the valves under the sink.

    2. After the water is off, open the faucet to make sure the water is off and the lines are drained.

    3. Remove the old water supply lines by unscrewing the compression nut holding the tube to the valve.

    4. Remove the old drain line and trap by unscrewing the compression fittings using the slip-joint pliers. If the trap is glued together, you’ll need to cut through the PVC pipe.

    5. Use the basin wrench to unscrew the retaining nuts on the bottom of the faucet. You’ll have to do this from beneath the vanity, and then lift the faucet out from above.

    6. Attach the new supply lines to the faucet and position the faucet back into the vanity top.

    7. Attach the retaining nuts to bottom of faucet and tighten with the basin wrench. Be careful not to over tighten and crack the top.

    8. Attach new P-trap assembly to sink and existing plumbing. Use a PVC trap with compression fittings.

    9. Attach water supply lines to valves, and turn on.

    10. Check for leaks. Run the water to fill the sink, and then let it drain. This will be the most pressure the sink will have.

    HGTV. How to Replace a Leaky Bathroom Faucet, [Online]. Web address: (Page consulted on May 09 2011)


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