How to Replace a Toilet Flapper

If you can hear thetoiletconstantly run, it's possible that the issue is with theflapper. You can incur an impressive water bill if you don't take care of this problem. After learning to diagnose the problem, you will also learnhow to replace a toilet flapper. Before we get to the troubleshooting, we need to start with the basics.

What Is a Toilet Flapper?

The flapper is the component within thetoilet tankthat closes the outlet to thebowl. When you flush the toilet, the mechanism lifts the flapper, which provides the water for flushing the bowl. The flapper returns to place, sealing the outlet closed, and the toilet tank fills back up with water.

Do I Need to Replace the Flapper?

Just because your toilet is running doesn't mean you have to replace the flapper. It could be thefill valve. The flapper is a cheaper part, and it's an easier replacement, so it makes sense to start there. You may not need to replace it at all. There might be something obstructing the seal. Feel around the edges to look for an imperfection in the seal. Sometimes there is too much slack in the chain, and it gets lodged under the seal. If you tighten the chain length, the problem is solved.

If the flapper is cracked or corroded and needs replacing, then it's no big deal. Any DIY novice can get the job done.

Fixing a Broken Flapper in 7 Steps

Here is the process for how to change a flapper (universal):

buy a new flapper
Close theshut-off valve.
Drain the tank by flushing it and soak up any excess water with a sponge.
Remove the existing flapper. Disconnect the chain from the flush lever. The most common setup is where the flapper is attached to pegs. Slip the flapper off the pegs. It's also possible that it's attached to the overflow tube. Or if it's not a rubber flapper, but it's made of plastic, then you might be dealing with clips.
干净的基于“增大化现实”技术ea as needed.
Install it by reversing the process outlined in step 4 and then step 3. If your new flapper has a ring for attaching to the overflow tube, but you choose to attach the new flapper to pegs, then cut off the ring before installing.
Turn the water back on and listen as it fills the tank all the way and then stops. Success!

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