Description: Early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential Applications. The SM-501 is designed and built to meet all local code requirements, as well as the NFPA and ICC standards regarding HVAC supply and return duct smoke detectors. Output terminals are provided for remote accessories such as horns, strobes, remote status indicators, and test/reset key switches or push buttons.
