Technical guides, comparison articles and sourcing advice from certified fire alarm technicians.
Everything you need to know about Notifier fire alarm parts — detectors, modules, annunciators and where to find them. Updated sourcing guide.
Read Technical Guide →Deep dive into the Notifier LEM-320 local energy module — technical specs, compatible panels, wiring tips and current eBay pricing.
Read Technical Guide →Complete reference for Siemens fire alarm parts including detectors, strobe lights and control modules. Find compatible replacement parts.
Read Technical Guide →Side-by-side comparison of the FST-851R and FSD-751RP duct smoke detectors — specs, installation differences, and which fits your system.
Read Technical Guide →Full guide to the Silent Knight 5820XL series — power supply specs, compatible replacement parts for commercial fire alarm systems.
Read Technical Guide →Technical guide to System Sensor notification appliances — SPSRK, SPSWLED, SPCWL and more. Specs, candela ratings and wiring.
Read Technical Guide →Everything about Simplex 4090-9008, 4090-9118, 4603-9101 and ZAM modules — functions, wiring, compatible panels and sourcing.
Read Technical Guide →Comprehensive guide to Fire-Lite fire alarm system parts — compatible detectors, addressable modules, C304 and other popular components.
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