Agile said:That question was partly answered in the published information.
The catalytic element was dealing with twice the volume of gas and was unable to fully oxidise the hydrocarbons and became sooted up.
This further reduced the efficiency of the catalytic element producing yet more CO.
Tony
White wash Tony.
Why wasn't the family all killed within the first week of using the fire. The fire was working fine throughout the winter, or at least one assumes if a fire is fitted in November it would be used.
Did any member of the family complain of feeling bad or show any flue like symptoms, Did anyone have cause for concern. ANd if they did why didn't they complain.