Replace the toilet flapper

Step by step

1. 1
   Turn off the supply

   Close the valve behind the toilet and flush to empty most of the tank.
2. 2
   Unhook the old flapper

   Unclip it from the overflow tube and unhook the chain from the flush lever.
3. 3
   Fit the new flapper

   Clip the ears onto the overflow tube posts. Adjust the chain so there is a little slack — about two links.
4. 4
   Refill and watch

   Open the supply. The water should stop at the fill line and stay there. Dye in the tank should not appear in the bowl.

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