NFPA 72, the National Fire Alarm and Signaling Code, establishes the minimum requirements for fire alarm system inspection, testing, and maintenance (ITM) across the United States. For facilities managers, building engineers, and fire alarm technicians, understanding which components are most likely to require replacement during an NFPA 72 inspection is essential for budget planning and… Read more »
Mircom Technologies is a Canadian fire alarm manufacturer headquartered in Vaughan, Ontario, with a dominant market share in Canada and a growing installed base in the United States. Mircom systems are found in residential high-rises, hotels, hospitals, and commercial buildings throughout North America. As Mircom panels age, finding replacement parts requires understanding the platform families… Read more »
Hochiki is one of the world’s leading fire detection manufacturers, headquartered in Japan with a strong presence in the United States, United Kingdom, and international markets. Known for manufacturing quality and engineering precision, Hochiki systems are found in hospitals, high-rise buildings, transportation facilities, and critical infrastructure across North America. This guide covers Hochiki’s main product… Read more »
The Silent Knight SK-5820XL is a well-regarded addressable fire alarm control panel that has been installed in thousands of commercial and institutional buildings across North America. Known for its reliability and straightforward programming, the SK-5820XL remains in active service in many facilities. With Silent Knight now fully integrated into Honeywell’s fire safety portfolio, sourcing parts… Read more »
The Fire-Lite MS-9200UDLS is one of the most widely installed addressable fire alarm panels in light commercial and mid-size applications across North America. Reliable, cost-effective, and straightforward to program, the MS-9200 has been a staple of the fire alarm industry for decades. As these panels age, finding compatible replacement parts becomes increasingly important. This guide… Read more »
The Edwards EST2 is one of the most widely installed addressable fire alarm control panels in commercial and institutional buildings in North America. Introduced in the 1990s and manufactured through the 2000s, the EST2 is a robust platform that remains in service in hospitals, universities, government facilities, and large commercial buildings. This guide covers compatible… Read more »
The Simplex 2001 is a legacy conventional fire alarm control panel that remains in service in thousands of older commercial, institutional, and industrial buildings across North America. While Simplex has long since moved to addressable platforms, the 2001 continues to protect occupied buildings—and that means technicians still need parts for it. This guide covers what’s… Read more »
When a fire alarm detector fails or reaches end of life, the first challenge technicians and facilities managers face is identifying the exact model number. Order the wrong part and you waste time and money. This guide walks you through exactly where to find model numbers, how to decode manufacturer part numbers, and what to… Read more »
One of the most fundamental distinctions in commercial fire alarm technology is the difference between addressable and conventional systems. Whether you are a fire alarm technician servicing an existing installation, a facilities manager planning a system upgrade, or an engineer specifying new construction, understanding addressable vs conventional fire alarm system architecture is essential — particularly… Read more »
Large commercial fire alarm systems often require more notification appliance power than the main panel can provide. When a building’s horn strobes, speaker strobes, and other notification devices draw more current than the control panel’s built-in NAC circuits can supply, a fire alarm booster power supply fills the gap. Understanding when supplemental power is required… Read more »
