Slim Line Duct Detector
National’s SL Series Duct Smoke Detector is the latest
innovation for early detection of smoke and products of combustion present in air moving
through HVAC ducts in Commercial, Industrial, and Residential applications. The unit is
designed to prevent the recirculation or spread of smoke by air handling systems, fans, and
blowers. Complete systems may be shut down in the event of smoke detection. It 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 status
indicators and test/reset key switches or push buttons. The SL Series includes many
features that represent true innovations from current generation duct smoke detectors. Our
traditional installer/service-friendly approach has been closely followed and
expanded throughout the SL Series design. Our attention to detail has yielded a host of
“No-Tools Required” features to ease installation and service tasks. Addressable detector
heads are compatible with National’s Digicomm™ protocol. For non-addressable applications, see
the Conventional SL Series bulletin.
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Low to High Flow rating: 100-4000 ft/min