How to Fix a Leaky Shut-off Valve Under Bathroom Sink
A leaky shut-off valve under a bathroom sink can be a frustrating and potentially costly problem. Here are the essential aspects to consider when fixing it:
Tools and Materials:
Gather the necessary tools and materials before starting the repair. You will need a wrench, replacement washer, valve packing, and a flashlight.
Identify the Leak:
Locate the source of the leak precisely. Check the packing nut, stem washer, and valve seat for any signs of damage or wear.
Isolate the Water Supply:
Turn off the main water supply valve to prevent water from flowing into the sink. Open the faucet to release any remaining pressure.
Remove Packing Nut:
Using a wrench, carefully unscrew the packing nut that holds the valve stem in place. Remove the old packing and discard it.
Replace Washer:
Inspect the stem washer for damage or wear. Replace it with a new washer of the same size and material.
Tighten Packing Nut:
Apply valve packing to the stem threads and hand-tighten the packing nut. Use a wrench to tighten it further, but do not overtighten.
Tighten Packing Nut:
Apply valve packing to the stem threads and hand-tighten the packing nut. Use a wrench to tighten it further, but do not overtighten.
Inspect for Leaks:
Turn on the water supply and check for leaks. Tighten the packing nut further or replace the washer if the leak persists.
Conclusion:
Fixing a leaky shut-off valve under a bathroom sink requires careful attention to these essential aspects. By following these steps, you can effectively resolve the issue and prevent further water damage.
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