System Sensor notification appliances and detectors — about 25 products: SpectrAlert Advance and L-Series horn strobes, strobes, speakers and speaker strobes in wall and ceiling versions, many in contractor 10-packs, 520 Hz low-frequency sounders, outdoor horn strobes, addressable multi-criteria fire and CO detectors, conventional 2-wire photoelectric detectors and bases, reflective beam detectors, remote test stations and annunciators, and i3 sensitivity readers.
Wall and ceiling appliances are quoted by color, candela setting and voltage, and bulk packs keep large fit-outs and retrofits on a single order.
Installation note: fire alarm, suppression and gas detection equipment must be installed, programmed and tested by qualified technicians under NFPA 72 or your local fire code, and replacement devices must be listed as compatible with the control panel they connect to.
What to include in your RFQ: the System Sensor model (for example P2RL, SPSCWL or SD365CO), color, quantity and delivery country.
Free worldwide DDP shipping — all duties, taxes and customs clearance included in the quoted price. Quotes returned within 24 hours; company purchase orders accepted.
Request a Quote — Bulk Pricing →
Frequently Asked Questions
What is the difference between SpectrAlert Advance and L-Series?
L-Series is the newer System Sensor family and includes LED models, while SpectrAlert Advance is the established range found on many installed systems; both are listed.
Do you sell System Sensor appliances in 10-packs?
Yes — most L-Series horn strobes, strobes, speakers and speaker strobes are available in 10-packs (BP10).
Why are low-frequency sounders required in sleeping areas?
NFPA 72 calls for a 520 Hz low-frequency alarm signal in sleeping areas because it wakes occupants more reliably; the HW-LF and HWL-LF sounders provide it.
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