We may have found other answers which could help you.
Click here for Boiler Cold ConditionsWhat is the long term solution to a frozen condensate pipe?
luke warm water (central heating is ok)?
How can I adjust the pressure on my Greenstar 24i Junior Boiler?
operating instructions for worcester-bosch combi boiler?
how can i make my worcester-bosch greenstar 24i junior work again?
Error code 31 for Worcester-Bosch Greenstar 30cdi conventional boiler?