Natural gas furnace produces high levels of carbon monoxide
Incident Investigation
Natural gas furnace produces high levels of carbon monoxide
January 8, 2022
Gas
Reference Number:
II-1311229-2022 (#25700)
Location: Delta
Regulated industry sector: Gas - Natural gas system
Incident overview
A residential natural gas furnace produced high levels of carbon monoxide. The furnace’s heat exchanger design failed causing corrosion holes and restricting airflow. Carbon monoxide re-entered the home through building openings.