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 state ...
The company’s duct-mounted smoke detector is UL listed for smoke detection in air speeds as low as 100 ft/min, including locations where slow-moving air is present, such as in vav boxes and fire/smoke ...