Free repair help
We have 16 questions about mending 'vaillant gb 242e'
Vailliant turbo max plus 824e?
Vaillant eco plus 531 boiler?
Advice?
Vaillant F22 fault?
Vaillant ecotec 831 plus?
Boiler over pressure on the hot-water side?
Vaillant condensing boiler ecoTEC plus?
Vaillant 828E - no hot water?
how do I rectify the fault as detailed below?