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.
Features
Low to High Flow rating: 100-4000 ft/min
High Temperature Rating
Patent Pending “No Tools Required” front and rear sampling tube access.
Patent Pending Test Port Valve allows aerosol smoke testing with out removing cover.
More wiring space than competitive models.
Ionization and Photoelectric models
Built-in Alarm Relay test switch
UL, cUL Listed
More Details
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....