can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?
my boiler will no work?
Vaillant igniting issue ( domestic ) not CH?
how do I rectify the fault as detailed below?
vaillant ecoTEC plus boiler fault code - how to fix?
Vaillant vcw gb242 eh central heating problem?
Vaillant Thermocompact Fault?
how to fix water pressure its down at bottom of grey part?
no heating water?
Vaillant F22 fault?
Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
Problem with the pressure in combi boiler?