DIAGRAM: Gas meter regulators upgrade

September 26, 2012 | 1:56 p.m. CDT
Missouri utility company Ameren has begun to upgrade some residential gas regulators around Columbia. Connected to the gas meter, the regulator controls the gas pressure entering the building. The newer regulators are designed to stop the flow of gas into the home when excess pressure or flow occurs.

RELATED STORIES: Ameren Missouri replacing older natural gas regulators in Columbia