smoke system for sale, brand-new and used.

4-wire photoelectric low-flow duct smoke detector The InnovairFlex™ Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between. The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet pe

SYSTEM SENSOR INNOVAIR FLEX MODEL # DNR INTELLIGENT NON - RELAY DUCK SMOKE DETECTOR MUST ORDER HEAD SEPARATELY ... THANKS FOR LOOKING .

system sensor 2-wire photoelectric smoke detector

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Description The System Sensor 1400 is a Direct-Wire (2-wire, 12 or 24 volt operation) Ionization Smoke Detector; part of System Sensor's 400 Series of smoke detectors and accessories.

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System Sensor Model 1451 is a Plug-in Ionization Smoke Detector. NOTE: Model 1451 is a direct replacement for Honeywell model TC805C1000 COMPATIBLE INTELLIGENT BASES: --B210LP Standard 6” flanged mounting base --B501: Standard 4" European flangeless mounting base  --B200SR: Intelligent sounder base capable of producing sound output with ANSI Temporal 3 or continuous tone.

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INNOVAIR FLEX SYSTEM SENSOR D4120 4-WIRE DUCT SMOKE DETECTOR BRAND NEW SHIPPING VIA USPS

*NEW IN BOX* SYSTEM SENSOR 2W-B Photelectric SMOKE DETECTOR i3 Series 12/24 VoltJust had system professionally installed in our home--had one extra detector left over. Like all of our items for sale, this is an authentic product, purchased new from a legitimate retailer in the US or received as a gift--not bought on the street or at a tag sale.

GE Smoke Detector Lot, 4-Wire type, Low Voltage 12- 30 VDC, USED, Pulled from a working alarm system. Alarm LED's show AC status, alarm status, and trouble LED. I am also including for FREE an End of Line Power Supervision Module.

BRAND NEW! in box, ready to go, intelligent non-relay duct smoke detector. Remote test capable.

EC-FF345 - Encore Firefighter - Smoke Detector Adapter - ETL Listed NEW - Encore Firefighter - New Smoke Detector Takeover Module / Sensor Transmitter - NEW

Lot of 5 new in box. You get detector, box, and instructions

SYSTEM SENSOR INNOVAIR DH100ACDCLP DUCT SMOKE DETECTOR Replaces Model DH100ACDCP RETURN POLICY

SYSTEM SENSOR INNOVAIR DH100ACDCLPX DUCT SMOKE DETECTOR Replaces Model DH100ACDCP RETURN POLICY

NEW! SYSTEM SENSOR INNOVAIR DH100ACDCLWP DUCT SMOKE DETECTOR Watertight NEMA 4 Enclosure RETURN POLICY