Learn how to select the correct System Sensor SpectrAlert Advance horn strobe replacement — P, PC, W, and WP series, candela selection, panel compatibility, and ordering guide.
Posts By: Allen
Notifier FlashScan Detector Guide: FSP-951, FDBZ-992 & Compatible Bases
Expert guide to Notifier FlashScan addressable smoke detectors including FSP-951, FDBZ-992, FSD-751 duct detectors, and compatible bases for Notifier fire alarm systems.
Notifier ONYX Fire Alarm Panel Replacement Parts Guide
Complete guide to Notifier ONYX series fire alarm panel replacement parts, covering NFS2-3030, NFS-320, CPU boards, power supplies, and network cards for life safety system maintenance.
Manual Fire Alarm Pull Station Replacement Guide — Simplex, Edwards & More
What Is a Manual Fire Alarm Pull Station? A manual fire alarm pull station (also called a manual pull station or pull station) is a wall-mounted device that allows building occupants to manually activate a fire alarm system. When the lever is pulled, it triggers the fire alarm control panel to sound alarms throughout the… Read more »
Edwards Genesis Horn/Strobe Replacement Guide: Wall, Ceiling & Outdoor Models
Complete guide to Edwards Genesis notification appliances: wall-mount G4 horns & strobes, EG1 compact series, 520 Hz low-frequency sleeping area models, GC ceiling appliances, speakers & speaker/strobes, WG4 outdoor devices, and legacy 757 series. Includes model selection guide and replacement tips.
Edwards EST SIGA Detector Guide: Choosing the Right Smoke, Heat & Multi-Criteria Detector
Complete guide to Edwards EST SIGA intelligent detectors: photoelectric smoke detectors (SIGA-PS, SIGA-PD, SIGA-OSD), heat detectors (SIGA-HRS, SIGA-HRD), multi-criteria detectors (SIGA-PHD, SIGA-OSHD), and duct smoke detectors (SIGA-SD SuperDuct). Includes detector base selection and module recommendations.
Simplex Replacement Clocks: How to Replace Your School or Hospital Wall Clock
If your school, hospital, or commercial building has Simplex synchronized wall clocks, you know the frustration when they stop working. These iconic clocks — found in hallways, classrooms, and waiting rooms across America — are tied to a master clock system that keeps every clock in the building synchronized. When a Simplex clock fails, finding… Read more »
Simplex 4100U & 4100ES Fire Alarm Panel: Common Replacement Parts Guide
The Simplex 4100U and 4100ES are among the most widely installed addressable fire alarm control panels in commercial buildings across the United States. From hospitals and universities to office towers and military installations, these Johnson Controls panels protect millions of square feet of occupied space. But even the most reliable panels need maintenance. Circuit boards… Read more »
How to Choose the Right STI Enclosure for Your Fire Alarm Equipment
When fire alarm control panels, power supplies, or notification appliances need to operate in harsh environments, a NEMA-rated enclosure is essential. Safety Technology International (STI) manufactures the EnviroArmour line of enclosures specifically designed to protect life safety equipment from weather, dust, vandalism, and temperature extremes. With dozens of sizes and configurations available, choosing the right… Read more »
STI Stopper II vs Universal Stopper: Which Pull Station Cover Do You Need?
Protecting your fire alarm pull stations from vandalism, false alarms, and accidental activation is essential for any commercial building. Safety Technology International (STI) makes the two most popular pull station protective covers in the industry: the Stopper II and the Universal Stopper. But which one is right for your facility? In this guide, we’ll break… Read more »
