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Security Sensors

Smoke Detectors

23 Products

First Alert AC Smoke & Carbon Monoxide Alarm with Lithium Battery Backup
GESC9120LBL
$42.58
First Alert AC Smoke Alarm with Lithium Battery Backup
GE9120LBL
$27.95
Elk Heat Rate-of-Rise and Fixed Temperature Sensor
ELK319HRR
$62.79
USP End-of-Line Relay, 12-24VDC
USR64
$22.95
First Alert Z-Wave Smoke and Carbon Monoxide Detector
NXZCOMBO
$55.95
Napco Gemini Wireless Smoke Detector
NPGEMSMK
$109.95
Firewolf Smoke Detector Line Reversal Module
NPFWRM1
$26.95
Firewolf Advanced Photoelectric Smoke & Heat Detector, 4-Wire
NPFW4H
$53.95
Firewolf Advanced Photoelectric Smoke Detector, 2-Wire with Sounder
NPFW2S
$28.95
Firewolf Advanced Photoelectric Smoke & Heat Detector, 2-Wire
NPFW2H
$44.95
2GIG Wireless Smoke, Heat & Freeze Detector
LN2GIGSMKT3345
$78.99
2GIG Wireless Smoke Detector Sensor (Smoke Ring)
LN2GIGSDS1345
$44.99
2GIG Wireless FireFighter Smoke Detector Sensor-Transmitter
LN2GIGFF345
$50.99
FirstAlert RM4 Wired-In Relay, 120V
GERM4
$25.95
First Alert AC Smoke Alarm with Battery Backup
GE9120B
$10.95
Clearance
ESL by Interlogix 4-Wire Smoke & Heat Detector with Sounder & EOL Relay
GE541NCSXTE
$43.74 $57.76
Clearance
ESL by Interlogix 4-Wire Smoke & Heat Detector with Sounder
GE541NCSXT
$41.59 $54.92
Elk 2-Way Wireless Smoke Detector
ELK6050
$128.95
Qolsys IQ Wireless Smoke & Heat Detector
QS5110840
$69.95
Clearance
Zipato Zigbee Smart Smoke Sensor
ZPHMHS1SAM
$15.78 $29.95
Clearance
ESL by Interlogix 2-Wire Photoelectric Smoke and Heat Detector
GE521NBXT
$30.32 $39.95
Clearance
ESL by Interlogix 2-Wire Photoelectric Smoke Detector
GE521NB
$27.78 $36.68
Open Box
Interlogix SDX-135Z Wireless Smoke Detector with Heat & Freeze Sensor (Open Box)
GESDX135Z_OB
$63.99 $85.53