Free repair help
We have 12 questions about mending 'vaillant 242 problem boiler'
how to fix water pressure its down at bottom of grey part?
Boiler over pressure on the hot-water side?
Vaillant eco plus 531 boiler?
how do I rectify the fault as detailed below?
Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
Vaillant 828E - no hot water?
Vaillant condensing boiler ecoTEC plus?
Vaillant ecotec 831 plus?
Vaillant F22 fault?