How to re-charge the expansion vessel in your boiler brought to you by https://www.ultimatehandyman.co.uk/forum1/
To check if the expansion vessel requires re-charging please watch this video-
https://www.youtube.com/watch?v=SNULc5fhY28
After you have re-charged the expansion vessel you may need to re-pressurise the boiler- https://www.youtube.com/watch?v=RZ0GRxandC0
Then you might have to bleed the radiators – https://www.youtube.com/watch?v=tGinKwkrQsw
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Post time: Aug-01-2017