$79.50 $69.90

Availability: 322 in stock SKU: FSP-851
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The Notifier FSP-851 Smoke Detector is a replacement photoelectric smoke detector head compatible for use with all Notifier Intelligent Fire Alarm Control Panels.

Direct Replacement: FSP-951 (white) or FSP-951-IV (ivory).

Notifier 851 Series smoke detectors can be used to replace the 751 Series plug-in detectors for legacy applications.


  • B210LP Standard U.S. flanged low-profile mounting base.
  • B710LP Standard replacement flanged low-profile mounting base.
  • B501 Standard European flangeless mounting base.
  • B200S Intelligent, programmable sounder base
  • B200SR Intelligent sounder base – Replaces B501BH series bases in retrofit applications.
  • B224RB Plug-in System Sensor relay base.
  • B224BI Plug-in System Sensor isolator detector base.

NOTE: all base types require an electrical backbox which is at least 1.5″ (3.81 cm) deep.

Datasheet FSP-851.

See all our parts for Notifier.



Notifier Smoke Detector

At JEM Security we want to make sure that you stay protected and notified for emergencies that might be happening in your building. There’s no better way to do that than with high-quality fire safety equipment from Notifier, including their lines of Notifier smoke detectors. These fire safety products offer peace of mind knowing they will alert you the second disaster strikes, allowing you time to get a safe distance away and protect yourself and others from harm. To learn more about the Notifier smoke detectors and other products we’re offering, contact us today. We’ll be happy to help you stay protected.

Additional information

Weight0.325 lbs

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