Carbon Monoxide Release After Hot Water Tank Replacement Done Incorrectly
Incident Investigation
Carbon Monoxide Release After Hot Water Tank Replacement Done Incorrectly
October 1, 2024
Gas
Reference Number:
II-1769734-2024 (#52490)
Location: Chilliwack
Regulated industry sector: Gas
Incident overview
An incorrectly installed gas water heater in a home caused carbon monoxide to leak undetected into the living space, resulting in two occupants experiencing repeated headaches. The Category III water heater was improperly vented into an existing metal system designed for natural draft appliances, and a required installation permit was not obtained.