Don Erbin Jr. has an unattractive, battery-powered device he likes to show people when he talks about fire safety. It's the remnants of a smoke detector, its plastic shell melted away by the intense ...
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 ...
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