Smoke Detector Location in Duct | TinnerFlow

Field problem

Stop and ask

Stop. Get direction before you touch it.

Smoke Detector Location in Duct

Smoke detectors in ductwork must be located per code for proper detection.

Fire/Smoke Dampers & Rated Assemblies 4th Year RED

Stop if

For this duct smoke detector, what are the location requirements per NFPA 72? And is there adequate access for testing?

Watch out

Don't install duct smoke detectors without checking NFPA 72 requirements. Don't sample from turbulent areas.

Check

What code distance requirements apply?
Is detector on supply or return?
Are sampling tubes properly oriented?

Steps

What code distance requirements apply?
Is detector on supply or return?
Are sampling tubes properly oriented?

Say this to your foreman

For this duct smoke detector, what are the location requirements per NFPA 72? And is there adequate access for testing?

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