Toilet constantly flushing!

Question

My toilet continues to flush or fill after the initial flush has finished. It is driving me crazy, not to mention wasting water! Can anyone tell me how to fix constant water running from the toilet?

Matthew · Accepted Answer

When you flush the toilet, this raises the lift arm in the tank, pulling on a chain (or lift wire) that’s attached to the toilet flapper, raising it up and allowing water to go into the toilet bowl.

Once enough water exits the tank, the flapper drops back down, re-sealing the tank.

However, if the flapper (or the valve seal) is cracked, water will keep seeping into your toilet bowl, causing it to run constantly. If this is the problem, turn the toilet’s water supply off by turning the cutoff valve clockwise. Flush the toilet. Use a sponge to get rid of any leftover water.

Now you can unhook the flapper and replace it. Your local hardware store should carry them.

Russell · Answer

Hi. You need to replace your siphon in the cistern.

Regards 
Russell

Craig · Answer

Hi, first of all if you are on a water metre then fix this issue with a matter of urgency otherwise you will see quite an increase in your bill, secondly the toilet will need the flush mechanism replacing. Generally the toilet will have to come away from the wall to fit the flush mechanism and then be reinstalled

Nick · Answer

Could be the drop valve not re-seating itself. Quite often it can be some grit that is holding it open.

Stephen · Answer

Sounds like the diaphragm needs replacement. Any plumber should be able to fix it

John · Answer

The outlet valve on the cistern needs replacing with a new valve.

Stevie · Answer

The push button pressed too far in and washer gone. A new slushing system is needed.

Stuart · Answer

The toilet might need a new inlet valve or flush mechanism personally we advise all customers to have both changed at same time.

Mark · Answer

You need a plumber to diagnose the fault and repair it

Chris · Answer

To stop the water filling the cistern it would be an idea to change the ball float valve.

Daniel · Answer

You might need to change your flush valve as the valve is not closing properly and allowing the water to continuously flow into the pan inlet. The valve will carry on letting water in as long as that valve stays open. 
Hope this helps. Kind regards, Daniel

David · Answer

Sounds like the outlet valve is stuck open. If you have access to the cistern you may find that the valve is removable (it depends on the type of the valve). It may need cleaning, or replacing. In the meantime, you should be able to isolate the w/c with the valve underneath the cistern.

Martin · Answer

It could be the inlet valve not stopping or the washer on the flush valve needs replacing and it's letting water past.

Mike · Answer

Some times the flushing device can stick open until enough water is above to hold the valve down. 
If there is high water pressure, and bottom entry fill valve with water outlets this can sometimes force the flushing valve to stay open. 

Quite often it's something simple. The buttons that are pressed to flush can stick. Quite often if they are pressed or wiggled the flushing valve will re seat.

Roger · Answer

Change the fill valve in the toilet as it sounds like it is knackered or needs adjusting. Best to just change it.

Josh · Answer

The float valve might need adjusting or replacing as water is going over the overflow causing the toilet to constantly look as if it’s flushing. Simple job

Chris · Answer

Hi, my advice is to replace the cylinder from the water tank. More than sure is faulty.

Andrew · Answer

It will be a faulty flush valve or fill valve that is causing an overflow issue.

Michael · Answer

Firstly its related to the flush syhpon in the wc cistern. Try looking in the cistern for something that may of fallen in and got lodged underneath the syphon. If there is nothing there then your syphon needs replacing

Joe · Answer

You can adjust it inside the cistern, there will be a threaded rod which you can adjust by hand to change the water level inside and stop it over flowing.

Toilet constantly flushing!

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