While you wait for answers, we may have found some information which could help you.
Click here for Central Water Working
how to fix water pressure its down at bottom of grey part?
Vaillant F22 fault?
Vaillant 828E - no hot water?
Problem with the pressure in combi boiler?
how do I rectify the fault as detailed below?
Vaillant eco plus 531 boiler?
howtomendit.com for free repair help, information and advice.
