System Sensor 2W-B i3 Series 2-Wire, Photoelectric i3 Smoke Detector

System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal

System Sensor 4WT-B 4-Wire, Photoelectric i3 Smoke Detector With A 135 Degree Fixed Thermal Sensor

SYSTEM SENSOR Fire Alarm Strobe, Indoor, Plastic, Red, SRLED

SYSTEM SENSOR Smoke Alarm, 12/24V, Hardwired, 2-Wire, Photoelectric, Thermal Sensor, Includes Mounting Base, 2WT-B

SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector With Thermal, Sounder, And Base

SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120

SYSTEM SENSOR D4120 Smoke Detector, 24VDC / 120VAC, Photoelectric Duct Sensing, Interconnect Up To 50

SYSTEM SENSOR Duct Smoke Detector, Photoelectric, D4120W

SYSTEM SENSOR Smoke Alarm, Hardwired, Photoelectric Sensor, Audible Alert, Volume Level 85 Db At 10 Ft, 2W-B

System Sensor 2WTA-B Smoke Alarm With Sounder, Relay And Isolator Options Form C Relay Isolated Thermal Sensor Plug-In Design, Base Included

SYSTEM SENSOR Smoke Alarm, 12/24 VDC, 4-Wire, Therm Sen, 4WTA-B

SYSTEM SENSOR Fire Alarm Strobe, Indoor, Plastic, White, SWLED

SYSTEM SENSOR Smoke Detector, 2151