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How to fix leaking Caroma cistern?

Hi There

Caroma cistern makes a flushing sound for 3-4 seconds after every hour or so,no obvious water leaking in the pan around or under the toilet.Is it normal on the inlet valve to drip on the top inside the cistern.Do I need to change inlet valve or outlet valve(no water leaking in the pan) kind of confused changing the flap flush valve or inlet valve.Please recommend a budget friendly solution if I need to change caroma inlet valve from Bunnings, Pictures attached with arrow where its drips.

Advice will be much

appreciated.Thank you.

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Accepted answers

EricL

Hello @Newbie75

Thanks for sharing your question about your Caroma inlet valve. If your toilet is flushing by itself every hour or so, odds are your inlet valve head seal has deteriorated and is allowing water through. This effectively creates an overflow situation in your cistern and the excess water passes through the overflow hole of the flushing valve. Thus, creating that flushing sound you hear.

I suggest using the FIX-A-LOO Inlet Valve Headseal Washer, as it's compatible with Caroma inlet valves. At this point in time, I believe your flushing valve is still in good order and there is no need to replace it. I've placed an image below to give you an idea of how to replace your head seal.

If you have any other questions we can help with, please let us know.

Eric

All comments

EricL

Hello @Newbie75

If you have any other questions we can help with, please let us know.

Eric

Newbie75

Hi Eric,

Thank you for your advice.

I changed the headseal but water keeps dripping and cistern started overfilling.

Is there any specific way to fit Headseal,although it seemed pretty much straightforward.

is this anything to do with the float adjustment screw?

For now i changed to original headseal and cistern stopped overfilling.

not sure what I should do 🙂

Please advice, Thank you

MitchellMc

Hi @Newbie75,

With a new seal and the float adjusted correctly, the water should shut off when it reaches the determined height. If, once you fitted the new seal the cistern overfilled, it sounds like the float is not adjusted correctly. I'd play around with the float adjustment screw to see if you can get the water to shut off sooner.

If you have no success, the inlet valve might have failed somehow. In that case, I'd recommend replacing it with a Fluidmaster Bottom Entry Toilet Inlet Valve.

Mitchell

Dave-1

Afternoon @Newbie75

I have had a caroma cistern for awhile... I have replaced washes on them but when I couldnt solve the "squishhhhhh" chunk sound every hr or so (water was still coming in so slowly) I ended up switching over to a new unit and the issue disappeared 😕 to have to replace it but peace of mind had started to be a priority. No adjusting I could do would stop ythat ever so slow filling.

Dave

EricL

Hello @Newbie75

I'm so sorry to hear that the replacement part did not work. It might be necessary to turn the head seal until it sits in properly into the filling valve. But if it fails and still continues to leak, it might be necessary for you to bring your original head seal to the store and compare it to the Kinetic Inlet Valve Headseal. This is to make sure that they are at the same height.

If you need further assistance, please let us know.

Eric

Newbie75

Ok Thank you for your helpful advice,will try this 🙂

Newbie75

Yeah same here,trying to fix this at the moment as per useful advice here 👍 hopefully it works out for me.

Newbie75

Thank you Eric for your help on this issue.I will try as you advised:)

iflyin

I had a similar problem, happening for months and finally had some time to investigate.

JacobZ

Hi @iflyin,

It's incredible how much frustration a tiny piece of plastic in the wrong place can cause.

Once you found it, did this stop the issue?

Jacob

iflyin

Yup, all solved now and no more leak! Now, im using water from mains instead of water tank to flush to prevent this from happening again.

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