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Deterioration of natural gas fired make-up appliance results in explosion and gas leak

Incident Investigation

Deterioration of natural gas fired make-up appliance results in explosion and gas leak

January 22, 2020

Gas

Reference Number:

II-970401-2020 (#16429)



Location: Surrey

Regulated industry sector: Gas - Natural gas system

Incident overview

Deterioration of a natural gas fired make-up air appliance installed on the rooftop of a strip mall resulted in an explosion within the appliance. The appliance was installed for a small restaurant’s exhaust system and did not receive maintenance based on the manufacturer’s recommendations. The explosion damaged the appliance and released a large amount of natural gas outdoors, nearby occupants and businesses were evacuated.

 

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