New Surplus Simplex Fixed Temperature Fire Alarm Detector 4255-8 477-082

Simplex 2098-9636 Photo Smoke Detector Fire Alarm

Simplex 2098-9636 Fire Alarm Photo-Electric Smoke Detector

New Surplus Simplex Fixed Temperature Fire Alarm Detector 4255-6 477-080

NOS SIMPLEX 477-079 4255-5 FIXED TEMP FIRE DETECTOR 135 DEGREES

NEW Simplex FIRE ALARM fixed temperature 197 deg F 4255-8 (477-082)

Simplex 2098-9201 Fire Alarm Photoelectric Smoke Detector Head W/Base Functional

NEW NOS Simplex 477-079 Fire Detector Type 4255-5