Description
The SM-501-N is an ionization duct smoke detector in a vertical-style package.
APC SM-501-N Duct Smoke Detector with Ionization
This product has been discontinued by the manufacturer
SUGGESTED REPLACEMENT
APC SL-2000-P Photoelectric Duct Smoke Detector
SKU: SL-2000-P
BRAND: Air Products and ControlsView Replacement
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