Regardless on what he opened, he was still breaking the law servicing a boiler if not Gas Safe registered.
Ask the company for hi s name and gas safe registration number ( and don't pay them until you get it ).
Currently we don't know if he is registered or not.
Tony
Ask the company for hi s name and gas safe registration number ( and don't pay them until you get it ).
Currently we don't know if he is registered or not.
Tony