NM CID MM-2 Practice Questions - New Mexico CID MM-2 Natural Gas Fitting Examination Exam

A union serving a gas furnace is buried in the wall behind drywall. What is the correct installation?

Leave it; unions may be concealed Weld the union closed Locate the union in an accessible location, typically in the same room as the appliance and downstream of the shutoff, not concealed in the wall Replace the union with a soldered copper coupling

Correct Answer:

Locate the union in an accessible location, typically in the same room as the appliance and downstream of the shutoff, not concealed in the wall

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