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How to fit bath mixer taps

Updated February 21, 2017

Mixer taps allow you to run your bath at the required temperature without having to add extra hot or cold water once you are settled in the tub. You can purchase replacement mixer taps at DIY stores or plumbing specialist traders. Ensure the measurements between the tap holes in the tub are the same width as the distance between the connections on the new mixer taps. Turn off the water supply before removing the old taps.

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  1. Assemble the new bath mixer taps. Do not attach the back nuts.

  2. Seat the taps into the bath. Poke the tap connector ends through the tap holes in the tub. Ensure the rubber washers are in place at the base of the taps, sitting on top of the holes.

  3. Reach under the bath and screw on the back nuts to the tap connectors poking through the holes. Tighten by hand then use the adjustable basin wrench to tighten fully.

  4. Connect the water supply pipes. Hand tighten first, then use the adjustable wrench to tighten fully. Ensure the hot and cold water connections are attached to the corresponding taps. Hot is usually red and cold is blue.

  5. Open the taps then turn on the water supply. Leave the taps running to flush away any debris.

  6. Check for leaks at the top and underneath the bath.

  7. Tip

    Clean the tap area of the bath before fitting replacement taps. Debris may interfere with the waterproof seals or block the water pipes.


    Turn off the water supply if the new mixer taps leak. Do not overtighten the back nuts.

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Things You'll Need

  • Adjustable basin wrench
  • Adjustable wrench

About the Author

Chris Simon

Chris Simon began writing articles and fiction in 1988. His work has appeared in Science Fiction and Fantasy World Horror Writers U.K and "Flashlight."

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