EST Edwards 2551F Fire Alarm Smoke Detector Head
EST Edwards 2551F Fire Alarm Smoke Detector Head
Condition: Used
23 in stock
Storewide Quantity discount: Save 5% on 2 items, 8% on 3 items, and 10% on 4+ items (applies automatically at checkout).
Couldn't load pickup availability
You will be prompted to create an account or sign in to complete your purchase.
As an eBay Partner, we may be compensated if you make a purchase.
EST Edwards 2551F Fire Alarm Smoke Detector Head - This high-performance sensor head provides reliable fire detection for mission-critical life safety systems. - Operating Voltage: 15 to 30 VDC - Standby Current: 45 µA - Alarm Current: 18 mA - Sensitivity Range: 1.1% to 3.5% per foot - Environmental Rating: Up to 93% relative humidity
Engineered to outperform standard detection units, the 2551F offers enhanced stability and reduced false alarm triggers compared to legacy smoke sensing hardware. Its modern architecture integrates seamlessly into existing Edwards fire panels, ensuring a more responsive and precise detection cycle than previous generation models.
Advanced Sensing and System Integrity
The 2551F utilizes sophisticated onboard processing to distinguish between hazardous smoke particles and common non-emergency airborne debris. By maintaining tighter environmental tolerances, this detector head reduces maintenance overhead while significantly increasing the reliability of your building's fire safety infrastructure.
This item description was generated using artificial intelligence and may contain errors. Specifications and compatibility should always be verified using official manufacturer documentation and, where applicable, by a qualified or licensed fire alarm technician.
View full details

About us
We specialize in new, used, and surplus fire alarm and life-safety equipment. Our inventory includes control panels, modules, power supplies, annunciators, detectors, and related accessories from leading manufacturers. Listings reflect current, in-stock availability and are updated regularly. Orders ship quickly and are packed with care.
For additional details, please review our Terms of Service, Shipping Policy and Refund Policy before placing your order. Please contact us with any questions.