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

System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, Sound Alert, Duct Mount, 5 in Overall Ht Model: D4120

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

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

4WTR-B HONEYWELL - Fire Safety & Smoke Detector Supplies

System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP

4WTAR-B HONEYWELL - Fire Safety & Smoke Detector Supplies

System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC

P2R HONEYWELL - Fire Safety & Fire Alarm Supplies

System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com

System Sensor Spectralert P2RH-LF Sounder Strobe Low Frequency With Selectable Candela Settings

System Sensor 5601P Heat Detector, 135F Fixed Temp/Rate-Of-Rise, Single-Circuit, Plain Housing

System Sensor Duct Smoke Detector: 20V AC/24V AC/24V DC Volt, 100 Ma Current, Duct Mount, White Model: D4120W

2451 HONEYWELL - Fire Safety & Smoke Detector Supplies

FIRE-LITE ALARMS BY HONEYWELL FIRE-LITE SD365

System Sensor Carbon Monoxide Alarm: Hardwired, CO Detector, Electrochemical, Hardwired Model: CO1224TR

2W-B HONEYWELL - Fire Safety & Smoke Detector Supplies