Vintage Simplex 4255-1 Fixed/RoR Thermodetector Heat Detector

Vintage Simplex 4255-4 Thermodetector

Simplex 2098-9202 Fire Alarm Smoke + Heat Detector Head

Simplex 2098-9202 Fire Alarm Photo w/ Heat Smoke Detector + 2098-9211 Base

Simplex 2903-9001 Strobe Plate and 2901-9838 Mechanical Fire Alarm Horn

Simplex 2975-9145 Fire Alarm AV Back Box Red NEW

Firelite Model 45 Heat Detector 135degree

Ademco 502 Property Protection Heat Detector 135 O.C.