gas water heater chaffoteaux britony 11t (geyser ) 11 years old?
My heating and hot water do not work and “A03” is flashing?
My boiler won't light but will when we take the cover off ?
Relight pilot?
chaffoteaux calydra 80 combi boiler?
How can I fix my chaffoteaux & Maury Britony Combi SE?