Up to 12 years on accredited installs
Worcester Bosch repair & installation
The UK's most-fitted boiler brand and a Which? Best Buy for over a decade. We're Worcester Accredited Installers — meaning genuine 12-year warranties.
Popular models we service
Greenstar 4000Greenstar 8000 LifeGreenstar iGreenstar Si Compact
Common fault codes
EA 227
Flame loss — gas supply, ignition lead or PCB
EA 229
Flame detected when it shouldn't be — gas valve
EA 338
Ignition fault — spark generator or gas valve
E9
Heating flow temperature too high — pump or sludge
H07
Pressure low — top up via filling loop
D1 286
Return sensor fault
C6 269
Fan speed out of range
A1
Pump not circulating — air or blockage
