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Alden Williams / Stuff
The house was instantly destroyed in a large gas explosion in July 2019.
The cause of the gas explosion that completely destroyed a Christchurch home has been revealed.
The explosion on a suburban street in Northwood in July 2019 seriously injured several people and damaged many nearby properties.
Gregory John Smith, owner of the Christchurch firm Gas Unlimited, pleaded guilty to several charges related to the explosion in September and will be sentenced this week.
JOHN KIRK-ANDERSON / THINGS
Aerial video of a Northwood, Christchurch home destroyed in a gas explosion on July 19, 2019.
The explosion was caused by Smith not isolating the gas supply to a fire that was in the middle of repairs and not telling residents not to turn the main gas supply back on when he left New Zealand Herald has reported.
Residents turned the main supply back on after Smith left and the house slowly filled with gas overnight and in the morning.
The explosion was reportedly triggered by an electric thermostat in a hot water cylinder that disengaged and generated a spark in the morning.
Alden Williams / Stuff
The cause of the gas explosion has been revealed.
