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Kitchen Tap Drips When Bath Running

Kitchen Tap Drips When Bath Running

Does your kitchen tap have the weird habit of dripping the moment you run a bath?

It's a peculiarly specific issue that can leave many homeowners scratching their heads in bemusement.

While it might seem as if your plumbing system is playing tricks on you, there's a logical explanation to this seemingly unusual phenomenon.

In this post, we will demystify this conundrum, explaining why your kitchen tap takes it upon itself to drip when the bath is running and, importantly, how you can put a stop to it.

So, if your tap has developed a baffling connection with your bath time, keep reading – we're about to decode this mystery.

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Why Does My Kitchen Tap Drip When I Run a Bath?

If your kitchen tap persistently drips each time you run a bath, it might seem like a strange, unconnected phenomenon.

However, there could be several reasons behind this, each related to the complexities of your home's plumbing system.

Here are some of the most likely culprits:

  1. Changes in Water Pressure: Running a bath requires a significant amount of water, which can cause a temporary shift in your home's water pressure. If your tap is slightly worn or not fully closed, this pressure change might cause it to leak.
  2. Faulty Check Valve: If your home has a check valve installed to prevent backflow of water, a malfunction in this device can cause changes in water pressure, forcing water back up the pipe and resulting in a dripping tap.
  3. Incorrect Plumbing Installation: Your bath and kitchen sink might share a common water supply pipe. If this pipe is incorrectly installed, it could lead to water backup and a dripping tap when the bath is running.
  4. Pipe Hammering: This phenomenon happens when water flowing in the pipes stops or changes direction abruptly (such as when a bath is filled), causing a loud knocking or thumping noise. The resulting change in pressure can lead to leaks at weak points in your plumbing system, like the kitchen tap.
  5. Worn-Out Tap Washer: A damaged or worn-out washer in your tap might not be able to properly seal the water flow. When the bath is running and causing changes in water pressure, the faulty washer might start to leak.
  6. Loose or Damaged Plumbing Joints: If the joints connecting your kitchen tap to the water supply are loose or damaged, they can be weak points where water seeps out, especially during changes in water pressure, such as when a bath is running.

Identifying the exact cause of this issue can sometimes be a bit tricky, so it's important to seek help from a professional plumber if you're unsure.

A professional can help ensure the problem is accurately diagnosed and properly fixed to prevent further issues.

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How to Fix a Kitchen Tap that Drips When You Run a Bath

I'm afraid there has been a misunderstanding, as no specific reasons were given in the previous response. However, I can definitely provide an answer to your question.

Here are some common reasons a kitchen tap might drip when you run a bath, and how to address each issue:

  1. High Water Pressure: When you're running a bath, the water demand in your home increases, which can cause changes in the water pressure. If your kitchen tap is slightly open or has a worn seal, it might start to leak due to this increased pressure. Adjusting the valve on your water main to reduce the water pressure in your home might resolve this problem.
  2. Faulty Check Valve: A malfunctioning check valve can cause water to flow back up the pipe when the water pressure changes, which can cause your tap to leak. Replacing a faulty check valve is a job best done by a professional plumber, especially if it's hard to reach.
  3. Poorly Installed Plumbing: If the plumbing in your home is incorrectly installed, the increased water demand from running a bath could cause water to back up and leak from your kitchen tap. If you suspect this might be the case, hire a professional plumber to assess and correct the problem.
  4. Worn Tap Washer: A worn or damaged tap washer can cause your tap to leak, especially when there's a change in water pressure. To replace the washer, you'll first need to shut off the water supply. You can then remove the handle of the tap, followed by the packing nut, to reveal the stem. Once you remove the stem, you'll find the washer. Take the old washer to a hardware store to make sure you buy an identical replacement, then reassemble everything in reverse order.

Remember, if you're unsure about performing any plumbing repairs yourself, it's best to hire a professional.

It may seem more expensive initially, but getting the job done correctly can save you money in the long run by preventing further issues.

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Some Advice from an Experienced Kitchen Fitter and Manufacturer

For a couple of decades now I have been working in the kitchen industry.

I have fitted hundreds of kitchens and manufactured hundreds more at my factory.

So, it’s fair to say I have some experience and expertise when it comes to repairing kitchens.

In this case, if all you can see is that your kitchen tap drips a little when the bath is running, I wouldn’t worry about it too much at all.

Unless you notice the drip getting worse or a leak appearing, the chances are it will be fine.

Final Notes On Your Kitchen Tap Dripping When the Bath is Running

To sum up, if your kitchen tap has developed a curiously timed dripping habit whenever you're running a bath, it's more than a mere coincidence.

Such a scenario can be attributed to a number of reasons, from high water pressure and faulty check valves, to poorly installed plumbing or a worn tap washer.

Each of these potential culprits can cause your tap to leak in response to the increased water demand from your running bath.

However, these are all issues that can be rectified.

Water pressure can be adjusted, check valves replaced, plumbing reinstalled correctly, and worn-out washers can be swapped out for new ones.

While some of these fixes might be manageable as a DIY task for the more handy among us, do not hesitate to call in the professionals if you're uncertain.

After all, when it comes to home maintenance, getting the job done right first time can save significant time, money, and stress down the line.

So, the next time your tap starts to drip when you're running a bath, remember, it's not a quirk - it's a call to action. Your home will thank you for it.

(Click here to see our complete range of kitchen taps for sale online).

More Great Advice From the JMT Trade Kitchen Blog

 Phil Tuddenham

Author - Phil Tuddenham

Philip Tuddenham is the force behind JMT Trade Ltd. Philip stepped into the family business in 1998, and has taken JMT to new heights.

He has decades of expertise and experience in designing, manufacturing and installing kitchens, bathrooms, domestic and commercial furniture.

In 2007, Philip broadened JMT's horizons. Introducing new ranges and diversifying into new territories such as media walls and school furniture.

While embracing this innovation, JMT remained true to its origins, continuing to provide excellent bedrooms and bathrooms.

Under Philip's leadership, the company continues to uphold its long-standing tradition of exceptional customer service and high-quality products.