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Flush Valve Repair Kit for Running Toilets

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by Jeff Patterson in Bathroom Plumbing
Flush Valve Repair Kit

Running toilets waste water and can cost lots of money. Many solutions exist and today’s tutorial is one option. It specifically addresses faulty flush valve seats.

What the heck are flush valve seats? They’re the part of the flush valve where flappers rest and create a watertight seal. Basically toilet handles are pushed down, flappers rise up, and water flows down the flush valve into the toilet bowl. This causes toilet bowls to empty.

When the flapper lowers back down onto the flush valve seat it creates a seal and allows water to fill the tank via the fill valve.

But sometimes the flush valve seat can corrode over time and this causes water to leak prematurely into the flush valve. That in turn causes the toilet fill valve to constantly run.

Our tutorial shares how to use Fluidmaster’s Flush Valve Repair Kit to solve this problem.

Let’s dive in!

 

Flush Valve Repair Kits for Running Toilets

Here’s the deal, corroded flush valve seats can only be fixed one of two ways. The first option is replacing the entire flush valve which means taking the tank off the bowl.

Frankly this can create a lot of problems if the toilet is a later model, e.g. 30 to 50 years old. It could be hard finding the correct flush valve kit. In addition, there’s always the risk of cracking the tank or bowl during re-installation. And that could lead to buying a new toilet!

Enter the second option: Fluidmaster’s Flush Valve Repair Kit. It’s very easy and great if the flush valve seat has corroded.

Inspect the flush valve and if the seat isn’t smooth chances are high that the running toilet is due to an improper seal between the flapper/seat.

This tutorial has tons of great tips for installing the Flush Valve Repair Kit and is well worth the 6 minutes

 

What’s Next 

Another common issue with running toilets is the fill valve.

That’s also easy to swap out with this short tutorial.

Let us know if you have any questions, we’re happy to help.

Cheers,

 

Jeff Patterson

5 Comments
  1. Elena says:

    This was a great video Jeff, gives me the confidence of doing the work myself and not have to rely on the hubby!

  2. Sheri says:

    Thanks for the video….. One of my toilets actually has this exact issue. Was on my list to get a new flapper; however, this looks like a much better solution!

  3. Tammara says:

    Thank you for the video, awesome and easy solution. LIke the tip, thanks!

  4. Josie says:

    Thank you, thank you, thank you. I’m going to use your clear instructions for this repair. Changing the flapper did not stop my running toilet. Maybe this will do the trick.

  5. Michelle says:

    Thank you for the tutorial. Can you please share what to do when the water valve does not the water off from and stop filling the tank, Call a plumber?

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