While you wait for answers, we may have found some information which could help you.
Click here for Boiler Heating Worcester
Why do I keep getting water in my condenser pipe on my Worcester-Bosch 28i ?
Worcester-Bosch Greenstar 24 Ri boiler won't turn off !?
What is the long term solution to a frozen condensate pipe?
How can I fix my comi-boiler, Worcester-bosch, 28cdi to turn on the gas?
How can I adjust the pressure on my Greenstar 24i Junior Boiler?
Worcester?