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Siemens FDO421 (S54320-F4-A1) Photoelectric Smoke Detector
With sector addressability for up to four sampling pipes
The Notifier FSP-851 intelligent photoelectric smoke detector is designed for reliable early warning fire detection when used with Notifier ONYX Series Fire Alarm Control Panels
includes 80-character display and documentation kit
These detectors have point ID capability that enables each detector address to be set with rotary address switches providing exact device locations
APC MS-RH Remote Horn Siemens DB-11E Siemens FDO421 (S54320-F4-A1) Photoelectric SmokeThe MS RH remote accessory is designed to be used with the Air Products and Controls Duct Smoke Detectors to provide audible indication These devices are constructed of attractive, yet durable brushed stainless steel and mount on a standard single gang electrical backbox.
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