I have a toilet which is flushed by pressing a small round button mounted in the wall. The toilet won't flush. How do I know if it is the push button mechanism or something within the cystern that has broken? (The push button is connected to the cystern by a tube.)
Take the tube off the button and give a quick hard blow down it . If the toilet flushes then the button is broken if it doesnt then there is a fault in the cistern
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