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We have 31 questions about mending 'vaillant gb 242 eh' in category Heating, Home Heating Systems which have been answered
how to fix water pressure its down at bottom of grey part?
Vaillant ecotec 831 plus?
Vaillant 828E - no hot water?
Vaillant eco plus 531 boiler?
Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
how do I rectify the fault as detailed below?
Vaillant F22 fault?
Vaillant condensing boiler ecoTEC plus?
Vaillant vcw gb242 eh central heating problem?