vokera loosing preasure

[kelcal]

Hi does anyone know what maybe causing my vokera 20-80 rs flowmatic to loose presure . each morning i have to top up presure to 1.5 once heating comes on presure builds to 3 and water comes out of overflow pipe when i shut boiler off water stops coming out of overflow and when system has cooled down presure has dropped to under 0.5 bar and some times lower any help would be greatly apreciated

gary[/b]

 

[ianmcd]

You need to recharge the expansion vessel look in the WIKI on here it will tell you how to do it

 

[kelcal]

Thanks will try that tomrrow and let you know

 

[DP]

Kelcal, if you want that boiler to keep working, get it serviced. By service I do mean service, not a spring clean.