While you wait for answers, we may have found some information which could help you.
Click here for Worcester Cold CoupleWhere can I get parts for a Worcester Heatslave boiler?
How to switch off lock out light?
How to put gas boiler on again after non use? Worcester Junior model?
whats wrong with my Worcester Danesmoor 12/14?
how do I remove the burner from my Worcester Bosch 15/19 - ?
Camray 5 'lockout'?