Why Toilet Refill Hose Keeps Coming Out: Explained with Fixes

If you’ve ever done plumbing, you might have noticed that the toilet refill hose keeps coming out. This is pretty annoying. There may be a lot of reasons, but overflowing is the most common reason. You should check the toilet’s fill tube and unclog it immediately if this happens.

Other reasons may be behind the issue, though. Read along to know why the problem happens and how to fix it most effectively.

Toilet Refill Hose Keeps Coming Out- Quick Fix

Toilet refill hoses are tubes that refill the water on the toilet. It sounds like it’s simple, but many people problems face problems such as the hose coming out a lot.

If you’re having a problem with your toilet refill hose clip constantly slipping off the canister valve, here’s how to fix it —

  • Get 3 zip ties.
  • Install one zip tie to the rubber hose.
  • One to the valve canister.
  • And one between the rubber hose and the valve canister.

This is by far the easiest trick to fixing this problem, and it only takes a few minutes. The zip tie won’t ever slip off either, since the flaring on the fill valve will keep it in place.

Know Why Toilet Refill Hose Comes Out

If you’re still having issues with your toilet, there aren’t many possible reasons for it.

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So let’s take a look at all of the reasons why your toilet refill hose can come out and how to fix them —

Possible ReasonsSolutions
Toilet overflow tube problemCheck the fill tube.
Unaligned water fill heightAdjust the fill height after checking the float.
Short or tangled chainAdjust the flush handle or flapper chain.
Worn-out flapperReplace the flapper.

These are the most common reasons for a runny toilet and the reasons why your refill hose might keep coming out. There are easy fixes for all of them, though.

Here’s a list of all the problems and their fixes in detail —

Toilet Overflow Tube Problem

The most common reason why your toilet might have problems is by overflowing. Fixing it is quite easy, though.

Check the fill tube and remove the tank lid to find the fill tube. Then reattach it and push it onto the fill valve slightly.

Make sure that it perches over 1 inch above the rim of the overflow tube, and the fill tube sends water into the toilet overflow tube.

Unaligned Water Fill Height

To fix this issue, look for the fill level mark inside the back of the tank. Then mark it on the toilet overflow tube.

After flushing, check and mark out the water level. If you see the tank still running water, try to adjust the water level by keeping the fill valve up and down.

Also Read: How to Fix a Toilet Handle That Has No Chain

Flush the toilet after each adjustment, and make sure the water level is at least one inch below the C-L or the critical level mark on the fill valve.

If you can’t find the mark, go 1 inch below the overflow tube and make a mark.

Short Or Tangled Chain

Short or tangled chains can keep the flapper from closing and will allow water to overflow into the bowl. It will take only a couple of minutes to fix.

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Adjust the flush handle or flapper chain and the linkage between the chain and the flapper. Only leave only a slight amount of slack when the flapper is closed.

Then cut off the excess chain at the rod and leave it 1 inch extra. This reduces the chances of it getting tangled again.

Put the lid back on and make sure the flush rod doesn’t hit the lid. If it’s still hitting the lid, bend it down slightly and readjust the chain.

Worn-Out Flapper

Dirty or worn-out flappers are the most common reasons for a runny toilet, so here’s how to fix it.

Turn off the water on your toilet and remove the old flapper. Take it to a shop and find an exact replacement for it.

You can easily find a new flapper the same size and same brand as your old flapper since hardware stores have a lot of variety in flappers.

If you can’t find an exact match of your old flapper, you can find a universal flapper instead like the Korky 3 inch universal flapper. These can fit in almost any toilet and work just as well as exact replacements.

A Helpful Tutorial You May Need!

Frequently Asked Questions (FAQs)

Why does the refill tube go into the overflow tube?

The water goes into the overflow tube through the refill hose and into the toilet after flushing. If it doesn’t do this, it won’t be ready for flushing the next time, so this is the reason why the refill tube goes into the overflow tube.

Why does my toilet never stop running?

The most common reason for a runny toilet is a broken flapper, and there are many easy ways to fix it. You can simply get an exact copy of your old flapper and replace it with a new one, or get a universal flapper and replace it.

Conclusion

If you’ve followed along with this post, you should know the fix no matter what the issue was. The toilet refill hose keeps coming out is a pretty common issue. But luckily, there’s quite an easy fix, and most of the time caused by a broken or dirty flapper.

We hope by reading along, you’ve successfully fixed your issue. Cheers and happy plumbing!

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