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We have 89 questions about mending 'vaillant boiler 242'
Advice?
Vaillant 828E - no hot water?
how do I rectify the fault as detailed below?
Vaillant ecotec 831 plus?
Vaillant condensing boiler ecoTEC plus?
Vaillant eco plus 531 boiler?
Vailliant turbo max plus 824e?
Boiler over pressure on the hot-water side?
Vaillant F22 fault?