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How can I fix my Myson Midas BF combination gas boiler?

The pressure gauge will go to 3bar and drop down to 0.5bar
after 30 mins and then go out. I have to restart it 3-4 times a
day. Is this the expansion vessel, and if so which one.
Don Macleod, January 2007
sounds like u could have a leak on ur heating! if not it will be the large vessel at the back

ste, April 2007
Hi i have same problem see this link

http://www.howtomendit.com/answers.php?id=56071

regarding pressuring the unit i can find no apparent valve to do so! If anyone can advise the whereabouts of a pressuring valve on a myson midas i would be most grateful too

Regards

Martin

Martin Sus, February 2007
link Click here to see other fixes for Myson.