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    Gerberit Impuls260 Twico 1 flush valve - problems

    In 2003 i refitted the bathrooms in my house and i had 3 new Ideal Standard WCs fitted, all of which have the same a dual flush valve. (Which turns out to be a Gerberit Impuls 260 or Twico 1. depending which website you read) Like all the other postings i have seen here these leaked constantly...
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