2D51 detector equivalent, duct smoke detector.
for 2D51/B210LP/D4P120
* Low-profile smoke detector design
* Low standby current
* Two LEDs blink in standby
* Detector head plugs easily into base
The System Sensor 2D51 low-profile photoelectric smoke detector with a B210LP base tied to the D4P120 is listed to Under.
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