- Joined
- 3 Feb 2016
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Hi The pressure dropped enough for the boiler to not fire up. So I tried to put some more water in system using filling loop but with the filling loop open wide the pressure still will not increase. So I checked that there was no air in any of the radiators stopping more water going in (they are all full and water comes out and no air) I then checked that the water at the filling loop was getting to the Central Heating Return Pipe (by slackening off a compression fitting and to see if water was reaching the C/H return pipe and it is) So the water is getting to the C/H Return pipe but no more will go in to increase the boiler pressure. Any help will be appreciated