You may also need a new doughnut washer in between the cistern and toilet.
https://www.ebay.co.uk/i/1712894840...MI5arL_6j36AIVGtZ3Ch07mAoFEAQYAiABEgJ41vD_BwE
Which one is yours?
Andy
https://www.ebay.co.uk/i/1712894840...MI5arL_6j36AIVGtZ3Ch07mAoFEAQYAiABEgJ41vD_BwE
Which one is yours?
Andy
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