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How to Replace a Tap Washer: A Comprehensive Guide

If you have a dripping tap, you may need to replace the washer. It's a straightforward process that can be completed with a few basic tools and a little know-how. In this guide, we'll walk you through the steps to replace a tap washer and help you get your tap working properly in no time.

Tools and materials needed:

  • Adjustable spanner or wrench

  • Flathead screwdriver

  • Replacement tap washer (make sure it's the right size for your tap)

  • Penetrating oil (such as WD-40)

  • Pliers (optional)

  • Cloth or rag

Step 1: Turn off the water supply Before you start, you need to turn off the water supply to the tap. Look for the isolation valve under the sink or basin and turn it off. If you can't find the isolation valve, you may need to turn off the water supply to your home.

Step 2: Remove the tap handle Using a flathead screwdriver, remove the screw in the centre of the tap handle. Once the screw is removed, gently lift the tap handle off the tap.

Step 3: Remove the tap bonnet Using an adjustable spanner or wrench, loosen and remove the tap bonnet. The bonnet is the large nut that holds the tap in place.

Step 4: Remove the tap washer Once the bonnet is removed, you should be able to see the tap washer. If the tap washer is stuck, use a penetrating oil to loosen it. Once the washer is loose, use pliers or your fingers to remove it.

Step 5: Replace the tap washer Insert the replacement tap washer into the tap. Make sure the washer is the correct size for your tap.

Step 6: Reassemble the tap Once the new washer is in place, reassemble the tap in reverse order. Tighten the bonnet with an adjustable spanner or wrench. Replace the tap handle and screw.

Step 7: Turn on the water supply Finally, turn on the water supply and test the tap. If it's still dripping, you may need to tighten the bonnet or replace the tap entirely.


Conclusion Replacing a tap washer is a simple process that can be completed with a few basic tools. By following these steps, you can save money on a plumber and have your tap working properly in no time. Remember to turn off the water supply before starting, and always use the correct size washer for your tap. With a little know-how, you'll be a DIY plumbing expert in no time.




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