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Hi, my compact low pressure combi boiler has not been used to heat water or radiators for nearly nine months and I want to check the steps and tests needed to get it up and running again. It was drained because the filling valve was not closed properly and pressure relief pipe leaked water...

Hello, could you suggest possible reasons why the gravity fed cistern in my flat is not filling? It's fed by gravity from a combination unit. The last plumber took 3 visits to fix the problem and replaced the ballcock. It stopped working after a few months. thanks