We may have found other answers which could help you.
Click here for Boiler Heating Repairluke warm water (central heating is ok)?
Worcester?
Why do I keep getting water in my condenser pipe on my Worcester-Bosch 28i ?
operating instructions for worcester-bosch combi boiler?
What is the long term solution to a frozen condensate pipe?
How can I insulate the condensate pipe from my Worcester-Bosch 24i boiler?