Free repair help
We have 39 questions about mending 'vaillant pro 28' in category Heating, Home Heating Systems
Vaillant eco plus 531 boiler?
Vailliant turbo max plus 824e?
Advice?
Vaillant 828E - no hot water?
Vaillant F22 fault?
Vaillant condensing boiler ecoTEC plus?
Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
Vaillant ecotec 831 plus?
how do I rectify the fault as detailed below?