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System Sensor 5621 is a 135°F fixed temperature
(Replaced by PC2RLED)
The OSY2 supervisory switch is equipped with tamper-resistant cover screws to prevent unauthorized entry
Honeywell HPFF12 NAC Power Supply
Simplex 4602-9102 Lifealarm Serial Annunciator RCU
Simplex 4100-9843 8 LED Kit, Yellow Intelligent Relay Module System Sensor 5621 is aSimplex 4100 9843 8 LED Kit, Yellow Note: order as required for modules with pluggable LEDs to change LED color on site per application requirement; compatible with LED Modules 4100 1276, 4100 1277, and 4100 1300
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