NM Plumbing Inspector Practice Questions - New Mexico CID Plumbing Inspector Examination Exam

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A potable water service supplies a fire-sprinkler system that will have chemical additives. Which backflow protection is the inspector’s correct minimum under UPC 2021 Section 603.5.14 principles?

A dual check at the riser A double check valve assembly A reduced-pressure principle backflow prevention assembly or air gap No protection because fire systems are closed

Correct Answer:

A reduced-pressure principle backflow prevention assembly or air gap

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