how do I rectify the fault as detailed below?
Water dripping from opening at top of pump?
how to fix water pressure its down at bottom of grey part?
Hot water comes and goes!?
my vaillant boiler is saying a code com on it ?
Vaillant 828E - no hot water?
vaillant ecoTEC plus boiler fault code - how to fix?
Vaillant ecotec 831 plus?
my boiler will no work?
Vaillant vcw gb242 eh central heating problem?
vaillant vcw gb 282gh?
Vaillant condensing boiler ecoTEC plus?
Vaillant igniting issue ( domestic ) not CH?
How many factors causes f22 fault?
Valiant thermostat , BMU-Err ?