While you wait for answers, we may have found some information which could help you.
Click here for Pilot Stay Light GoingCentral heating but no hot water?
Ravenheat CSI 85 Red Light?
how can i ignite the pilot light on a ravenheat boiler?
What is wrong with my ravenheat white star combination boiler,?
Faulty Worscester 35 CDi loosing pressure?
ravenheat csi 120 no hot water?