Ben asked ... Toyota Yaris French or Japanese?    |    Andy asked ... How can I mend my MacAlistair 450w hedge trimmer?    |    Felix asked ... Hitachi vt-m70em?    |    Katie Bond asked ... Fixing auto threader on Baby Lock Enlighten Overlocker?    |    Chris. asked ... Miele W800 novotronic washing machine?    |    Click here to ask your question

solaris 30pc condedencing boiler?

just repaced the pressure switch set the system to 1.5 bar but when the system is running , the pressure goes to 3bar and starts flashing.
Can anyone shed light on this and the remedy.
andy, December 2009
Checked the vessel pressure s 0.75 bar which is correct to manual.

andy, December 2009
check the expantion vessel

b, December 2009