3,675 results in Business & Industrial
New
Honeywell, Silent Knight, SK-ISO, Fault Isolator Module, NEW, LOT OF 4
USD $259.00
Seller: 100.0% positive
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Seller refurbished
Siemens (Pyrotronics)-RC DI-X3-RC RECON-Ionization Detector Air Duct
USD $165.76
Seller: 100.0% positive
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New – Open box
Grainger 4 Wire Conventional Duct Smoke Detector/ 45JU44
USD $89.99
Seller: 100.0% positive
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New
New In Box ESL 400 Series 445C Photoelectric Smoke Detector Four Wire Fire Alarm
USD $54.99
Seller: 100.0% positive
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New
Totaline Innovair Flex 4 Wire Duct Smoke Detector P270-3000PL NIB
USD $299.99
Seller: 100.0% positive
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New
NEW System Sensor BX401B 2-Wire Plug-in Detector Base. Orig Box + Specs.
USD $9.99
Seller: 100.0% positive
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New – Open box
Kidde Front Load Battery-Operated Ionization Sensor Smoke Alarm (i9070)
USD $29.99
Seller: 98.7% positive
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New
EDWARDS 869-WPB - Weatherproof back box
USD $124.71
Seller: 99.7% positive
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New – Open box
Apollo 45681-200 APO Series 65 Base lot of 25 Pcs
USD $199.80
Seller: 100.0% positive
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New – Open box
Siterwell Smoke Detector & Carbon Monoxide Alarm,10Year Battery, 4 Pack
USD $99.00
Seller: 100.0% positive
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New
Innovair System Sensor Model DH100ACDCI
USD $75.00
Seller: 100.0% positive
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New
*LOT OF 2* SIMPLEX 4098-9754 Smoke Detector Head *MINOR DAMAGE*
USD $36.99
Seller: 99.4% positive
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New
Kidde Firex 21006377 Smoke & Carbon Monoxide Alarm Voice 120V AC Wire-in Battery
USD $84.99
Seller: 99.2% positive
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Used
NOTIFIER NP-200-IV WHITE SMOKE DETECTOR
USD $57.04
Seller: 100.0% positive
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Used
SIMPLEX 4904-9422 TRUE ALERT FIRE ALARM STROBE (4 AVAILABLE)
USD $20.39
Seller: 100.0% positive
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New
🔥System Sensor DNR Duct Detector 🚨
USD $135.00
Seller: 100.0% positive
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New
SIEMENS MPS-12 - Pyrotronics MXL MPS-12 Power Supply 24vdc 12 Amp 500-492209 NEW
USD $1,200.00
Seller: 100.0% positive
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New – Open box
Mirtone Model 73445 Smoke Detector - New In Box
USD $31.92
Seller: 100.0% positive
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New – Open box
HONEYWELL 1451 / 1451 (NEW IN BOX)
USD $111.24
Seller: 99.2% positive
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Used
HONEYWELL 2100 / 2100 (USED)
USD $33.37
Seller: 99.2% positive
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New – Open box
System Sensor RTS2 Multi-Signaling Accessory w/ Keys
USD $75.00
Seller: 99.5% positive
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New
2 Each FIrst Alert Professional Contractor Smoke & Fire Detectors Model SA92LT.
USD $29.99
Seller: 100.0% positive
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Used
LOT OF 3 NSC SERIES 65 OPTICAL SMOKE DETECTOR 55000-317NSC
USD $225.00
Seller: 100.0% positive
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New
UBS-1B - Metal Enclosure Black
USD $57.59
Seller: 99.4% positive
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New
Kidde Voice Smoke + Carbon Monoxide Alarm 2 Pack 10 Year New
USD $69.95
Seller: 100.0% positive
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New
Honeywell, Silent Knight, SK-HEAT-ROR, 135 Fixed Temp ROR Detector, NEW
USD $37.99
Seller: 100.0% positive
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Used
Notifier FDU-80 - Fire Alarm Character Display Annunciator
USD $85.00
Seller: 100.0% positive
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New
System Sensor 4W-B Smoke Alarm 4-Wire Plug-In Photoelectric With Base White
USD $48.99
Seller: 99.3% positive
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New – Open box
NEW APOLLO 55000328 APO High Sensitivity Photoelectirc SMOKE DETECTOR
USD $59.99
Seller: 100.0% positive
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Used
FENWAL DH-21 Duct Detector With Ion Smoke
USD $300.00
Seller: 100.0% positive
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Used
LOT Siemens SIGA-HRS-LG Heat Detector with SIGA-SB Base (5)
USD $5.00
Seller: 99.1% positive
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New
Kidde Quick Connect Smoke Detector Adapter Plug, Alarm Wiring White
USD $12.80
Seller: 100.0% positive
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New
System Sensor CO1224TR Round, 12/24V, System-Monitored Carbon Monoxide Detector
USD $77.35
Seller: 99.9% positive
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New
Bosch D344-RT (Lot of 2) Remote Test Station For Smoke Duct Detector.
USD $80.00
Seller: 100.0% positive
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New
System Sensor DNRW Duct Smoke Housing Detector (Detector Head Sold Separately)
USD $209.90
Seller: 99.9% positive
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Seller refurbished
Apollo Series 65A 55000-328 APO High sensitivity photoelectric smoke Detector
USD $89.00
Seller: 100.0% positive
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New – Open box
EST GS Edwards 6266B-200 Addressable Photoelectric Smoke Detector 24vdc
USD $122.95
Seller: 99.9% positive
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New – Open box
SIEMENS DTF-136 / DTF136 (NEW IN BOX)
USD $46.00
Seller: 99.2% positive
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New – Open box
2PK Kidde Smart Hardwired Wi-Fi Smoke Detector Photoelectric Sensor Voice Alerts
USD $36.99
Seller: 98.7% positive
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New – Open box
Air Products and Controls 4 Wire Conventional Duct Smoke Detector
USD $100.00
Seller: 100.0% positive
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New – Open box
GE 2000 Series Optical Smoke Detector Sensor DP2051
USD $4.99
Seller: 99.9% positive
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New
Honeywell ADT SIXSMOKEA Smoke Detector, Brand New
USD $20.00
Seller: 100.0% positive
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Used
Simplex 4098-9701 w/ Base
USD $115.00
Seller: 100.0% positive
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Used
Bulk System Sensor addressable devices
USD $400.00
Seller: 100.0% positive
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New – Open box
APOLLO 55000-316 APO SERIES 65 OPTICAL SMOCK DETECTOR(9 PCS LOT)
USD $472.50
Seller: 100.0% positive
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New
Apollo ORB-OH-13003 Detector Combo Orbis Multisensor w/Flashing Led
USD $39.99
Seller: 100.0% positive
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New – Open box
TYCO 2098-9603 / 20989603 (NEW IN BOX)
USD $175.10
Seller: 99.2% positive
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New – Open box
HONEYWELL HFS-D / HFSD (NEW IN BOX)
USD $532.00
Seller: 99.2% positive
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