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shut-off valve not working

Plumbing

The answer to 'shut-off valve not working' is that the shut-off valve may be stuck, corroded, or damaged, preventing it from fully closing or opening. This can be caused by a variety of factors, such as age, mineral buildup, or physical damage to the valve.

Some common symptoms of a malfunctioning shut-off valve include water leaks, difficulty turning the valve, or the valve not completely shutting off the water flow. In some cases, the valve may be stuck in a partially open position, causing water to continue dripping or seeping even when the valve is turned to the closed position.

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Step-by-Step Guide

  1. 1

    Identify the shut-off valve

    Locate the shut-off valve, which is typically located near the water meter or appliance that the valve controls.

  2. 2

    Try to turn the valve

    Gently try to turn the valve clockwise to the closed position and counterclockwise to the open position. If the valve is stuck, do not force it.

  3. 3

    Apply penetrating oil

    If the valve is stuck, apply a small amount of penetrating oil or lubricant around the valve stem and let it sit for a few minutes before attempting to turn the valve again.

  4. 4

    Tap the valve gently

    Using a wrench or hammer, gently tap the valve in a downward motion to help break through any mineral buildup or corrosion.

  5. 5

    Call a professional

    If the valve remains stuck or you are unable to get it to turn, it's best to call a licensed plumber to inspect and potentially replace the valve.

Frequently Asked Questions

When should I call a professional plumber for a shut-off valve issue?

If the shut-off valve is severely corroded, damaged, or difficult to access, it's best to call a professional plumber to inspect and potentially replace the valve. Attempting to repair a stuck or broken valve without the proper tools and expertise can often make the problem worse.

Can I try to fix a stuck shut-off valve myself?

For minor issues, such as a valve that is slightly stuck or difficult to turn, you may be able to try some DIY troubleshooting steps like applying penetrating oil or gently tapping the valve with a wrench. However, if the valve is severely corroded or the problem persists, it's recommended to call a professional plumber to properly diagnose and address the issue.

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