: firex 120 1072b replacement
Kidde KN COSM IBA Hardwire bination Smoke Carbon Monoxide Alarm with Battery Backup and Voice Warning, Interconnectable 21026041, WhiteFirex 120 1072B AC Smoke Alarm with Battery Back up and ...
Technical Spec Firex 120 1072B AC Smoke Alarm with Battery Back up and False Alarm Control : Customer Questions & Answers
I found this by doing a Bing search Unless you are replacing Firex FADC, ADC, and AD, you are REQUIRED to replace ALL your old Firex alarms with this i4618 unit.
smoke detector firex 120 1072b wiring diagram Gallery
wiring diagram for firex smoke detector hard wiring smoke