While you wait for answers, we may have found some information which could help you.
Click here for Boiler Chaffoteaux Maurygas water heater chaffoteaux britony 11t (geyser ) 11 years old?
chaffoteaux brittony combi se 80?
Relight pilot?
How can I fix my boiler chaffoteaux&maury?
pressure relief valve?
My boiler won't light but will when we take the cover off ?