The 7251DH intelligent air duct smoke detector is the latest addition to the company’s high-sensitivity detection lineup. It combines a high-sensitivity laser sensor with smoke detection capability.

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 ...

The HS-100 duct smoke detector mounts in airshafts, plenum spaces, and other low air velocity areas. In the event of smoke detection, entire HVAC systems can be triggered to shut down, preventing the ...

Yes, if the detector cannot be reset at the FACP or annunciator, then a separate test/reset will need to be installed per NFPA 2013, section 23.8.5.4.6.4: “Where duct smoke detectors are not ...