1 hour ago Jo asked ... How to engage clutch on old sewing machine to engage needle?    |    Jacky asked ... Miele Vacuum cleaner?    |    Ben asked ... Toyota Yaris French or Japanese?    |    Andy asked ... How can I mend my MacAlistair 450w hedge trimmer?    |    Felix asked ... Hitachi vt-m70em?    |    Click here to ask your question

logic30 + combi?

my logic30 combi boiler registers water pressure of 3 bar when it should read 1 to 1.5 bar. consequently I experience water air lock noise, how do I reduce the water pressure?
colin, June 2016
you release water from the bleed valve on the radiator.
https://www.youtube.com/watch?v=F3-QWp6E1KU

k, June 2016