Why Your Toilet Cistern Keeps Leaking

 

Is Your Toilet Throwing Money Down the Drain? 

That trickling sound in your bathroom might seem like a minor annoyance, but it represents a constant waste of water.

These small components degrade over time, leading to constant trickling that inflates your water bill and wasting up 700 litres a day! While adjusting the float are simple DIY fixes, persistent leaks require a professional to keep your home water-efficient and prevent moisture damage.  

Common Causes of Cistern Leaks

  • A worn doughnut washer allowing water to leak from the base of the cistern.

  • Flush valve or internal mechanism faults letting water run continuously into the bowl.

  • Faulty button linkage or flush buttons that stick and fail to reset.

  • Mineral deposits building up in the valve seat and stopping a proper seal.

  • Inlet valve or float faults causing overfilling and overflow.

If you’ve cleaned the seals and adjusted the float but still hear a hissing sound, it’s time to call a licensed plumber. Professional repairs protect your bathroom floor and restore your toilet to proper working order.


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