While you wait for answers, we may have found some information which could help you.
Click here for Boiler Central HeatingRavenheat CSI 85 Red Light?
how can i ignite the pilot light on a ravenheat boiler?
Faulty Ravenheat condensing boiler?
pressure dropping on openning the hot water in my ravenheat csi 85 aboiler?
Central heating but no hot water?
What is wrong with my ravenheat white star combination boiler,?