$50.58

NEW Ademco 5809 Rate-of-Rise Heat Detector/Transmitter

$29.95

Tyco SIMPLEX GRINNELL 4098-9640EA Heat Detector Head 614TD

$150

CONSILIUM EV-PH 040030

$15

System Sensor 5600 135 Degree Fixed Temperature Rate-of-Rise, Single-Circuit Mec

$90

Gamewell FCI Honeywell ASD-PL3-IV Industrial Heat Detector Ivory MPN ASD-PL3-IV

$9.99

Vintage Archer/Radio Shack Heat Sensor 49-506, New, 135F Open Circuit Type

$100

Landis & Staefa Siemens Intelligent Heat/Fixed Temp. Detector SIGA-HRS-LG

$135

OKI FD-6111 HEAT DETECTOR FD6111

$44.95

System Sensor 5251RB Rate-Of-Rise Thermal Heat Detector Sensor

$24.99

System Sensor - 5600 Series - Heat Detector - 135°F Fixed Temp - Model 5603

$24.95

SK-HEAT-W Silent Knight, Farenhyt Fixed Temperature Heat Detector - Used, Tested

$55

SIEMENS FDT421 | Heat Detector