System Sensor CO1224T 4-wire CO Detector w/RealTest Technology
4-wire UV flame Detector drop shipping fire alarm system security equipment [CF6002] - $92.00 : China top brand burglar and fire alarm systems, New technology burglar and fire alarm security systems
Kidde Firex Hardwired Combination Smoke and Carbon Monoxide Detector with Adapters and Voice Alarm 21029718 - The Home Depot
System Sensor B110LP is a 2-wire base for use with 100 Series smoke detectors.
CO1224T - Honeywell System Sensor Hardwired 4-Wire Carbon Monoxide Detector
System Sensor COSMO-4W 4 wire Smoke CO Detector Combo
541NCXTE - UTC (Formerly GE Security/ESL)
First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
System Sensor CO1224TR CO detector, 12/24 Volt, Trouble Relay 4-Wire EXP 03/2030 | eBay
System Sensor COSMO-4W Heat Detector i4 Best-in-class 4-Wire carbon monoxide (CO) and smoke detection technology in a single, system-connected device. Requires interface module COSMOD4W.
System Sensor COSMO-4W i4 Series, 4-Wire CO and Smoke Combination Detector
System Sensor COSMO-4W 4 wire Smoke CO Detector Combo
SYSTEM SENSOR CO1224T 12/24 volt, 4-wire, system-monitored C02 carbon monoxide detector w/ RealTest Technology: Amazon.com: Tools & Home Improvement
First Alert SC7010BV Talking Hardwire Photoelectric Smoke & Carbon Monoxide Alarm | First Alert