Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does state ...
The MSR-100 Series accessories - strobe modules, cover plates, and decals - work with the manufacturer's duct smoke detectors to indicate problems, perform tests, and alert users to alarm conditions.
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