Free repair help
We have 18 questions about mending 'vaillant changed diverter valve'
Vaillant ecotec 831 plus?
Vaillant F22 fault?
Vaillant condensing boiler ecoTEC plus?
Vaillant eco plus 531 boiler?
Boiler over pressure on the hot-water side?
Vailliant turbo max plus 824e?
Vaillant 828E - no hot water?
Advice?
how do I rectify the fault as detailed below?