Up to 10 years on accredited installs
Vaillant repair & installation
German engineering, fantastic reliability and excellent efficiency. We're Vaillant Advance installers offering up to 10-year warranties.
Popular models we service
ecoTEC plusecoTEC proecoFIT pure
Common fault codes
F22
Low water pressure — repressurise system
F23
Large temperature difference flow/return — pump
F24
Rapid temperature rise — pump airlock or blockage
F28
Ignition failure — gas valve or PCB
F29
Flame lost during operation
F62
Gas valve shutdown delay fault
F75
Pump or pressure sensor fault
F83
Flow/return temperature change too small
