While you wait for answers, we may have found some information which could help you.
Success
Message
how do I rectify the fault as detailed below?
Vaillant vcw gb242 eh central heating problem?
Vaillant 828E - no hot water?
Vailliant turbo max plus 824e?
Vaillant ecotec 831 plus?
Vaillant condensing boiler ecoTEC plus?
Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
Vaillant F22 fault?
Problem with the pressure in combi boiler?
Vaillant eco plus 531 boiler?
Advice?
how to fix water pressure its down at bottom of grey part?
howtomendit.com for free repair help, information and advice.
