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Why is my Toilet still Running after Replacing my Flush Valve

Fix a Running Toilet with a Button Flush

Is your toilet still running even after the flush valve has been replaced? This can confuse any homeowner who wants to figure out what’s wrong with their toilet tank.

To figure out the problem, they may try to adjust the flush valve to see if that will resolve the sound of running water, but it doesn’t seem to solve it.

Statistics have revealed that a running toilet that isn’t fixed can leak nearly a gallon every hour. This translates to 26 gallons every 24 hours or a staggering 780 gallons every month.

The truth is that gazing at it and rattling the flush valve won’t find the source of the problem. But the good news is that there are simple ways to repair your running toilet and minimise water wastage.

 

repair flush valve

 

To effectively fix a running toilet, the first course of action is to find out the cause of the problem.

Here are three major causes of a running toilet:

  • You need to adjust the height of the float.
  • The toilet flapper is wrapped, cracked or pitted, causing leakage. If this happens, you will need a replacement.
  • Shorten the fill tube.

Below are the tools and supplies you need:

  • Cutting pliers
  • Rubber gloves
  • New toilet fill valve
  • Multibit screwdrivers
  • Replacement components for toilet

Although this is a do-it-yourself article, we highly recommend that you get the service of any plumber near you to review the issue.

It’s not advisable to let a running toilet issue persist because it causes water wastage, increasing your utility bill.

There’s a possibility that the problem with your toilet may be very complicated and will require thorough maintenance and repair service. But it doesn’t imply that you can’t examine your toilet to see if there’s a simple solution.

Read also: How to Fix a Running Toilet with a Button Flush

How to Fix a Running Toilet

So here’s how to fix your running toilet by yourself:

Before getting started, ensure you shut off the water supply to your toilet via the stopcock or cutoff valve.

Keep the float valve lowered.

A faulty fill valve is one of the major causes of a running toilet. This happens when the water level becomes excessively high, leading to water overflowing from the top tank and running into the overflow tube and, finally, the toilet bowl.

This also allows water to overfill your top tank. The solution to this problem is to lower the water level or make changes to the fill height of the float ball.

To do this, you have to first take off the tank lid.

Using the float arm, you can also reduce the water level in the toilet tank. Ensure you tighten or screw the float arm to the point where the float ball, together with the float arm, slides to the correct level.

You can also use the column float affixed to the fill valve to reduce the water level in the toilet tank. First, unscrew or undo the clip. Next, using the float arm, press down the float arm until it gets to the right level on the valve. Screw everything back into position. If the toilet stops running, you have fixed the cause of the problem.

Also, ensure that the floating tank ball doesn’t contact the tank wall. You can rectify this but check that it is not tangled on the sidewall.

This will allow the water level to be lower than the overflow tube, preventing your toilet from running. If this doesn’t fix the issue, the next action is to replace your valve mechanism. Fortunately, fill valves are affordable and easily replaceable.

The toilet flapper is faulty and needs to be replaced.

Another reason for the running toilet is the leaky flapper valve in the toilet tank.

If your toilet flapper valve is broken or damaged, it is enough to cause your toilet to run. This is because your flapper is responsible for sealing the water in the tank.

When flappers deteriorate, they fail to seal properly. This causes water to leak continuously from the toilet tank top to the toilet bowl.

Thus, a good solution is to get a new flapper. To do this, detach the faulty one and get a replacement from a home supply shop.

Use the life wire or flapper chain to detach the flapper and remove it from the installation screw on the wall of the tube.

Cut the Refill Tube Short

Another major reason your toilet is running is that the refill tube leaks water continuously into the toilet bowl. This occurs if the fill tube is wrongly placed in the overflow tube due to excessive length.

An effective fix is to shorten it. You can do this by removing the tube from the overflow and positioning it directly at the mouth of the overflow.

Next, cut it to size with the plier and attach it to the overflow tube side. This will ensure it stays in an ideal position.

After you have finished, reconnect your tank to the water supply. Find out if the leaks still persist by flushing the toilet.

If your toilet continues to run or you have made a mess at any point during your repairs, contact your plumber today. They will be happy to assist you in fixing your toilet issue.

As an experienced plumbing service provider, we immediately review the issue and offer a lasting solution to your running problem immediately. Contact us now.

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