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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
4cm) diameter
Please note: The Notifier FSP-851 has been replaced by the FSP-951-IV
All switch functions are fully software-programmable
The module mounts on either a 4" square or double gang box
APC SM-501-P Duct Smoke Detector Photo Vesda 4cm) diameterAir Products and Controls SM 501 P Photoelectric Duct Smoke Detector, 4 Wire, Universal Voltage Square The SM 501 P Photoelectric Duct Smoke Detector provides early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential Applications.
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