Simplex 562-760 Fire Alarm Auxiliary Relay Card

4100/4120 Simplex Fire Alarm Auxiliary Relay Card Assembly Board 562-760 Rev E

Simplex 562-727 Motherboard for 565-045 Relay Card (TESTED)

Simplex 4098-9787 TrueAlarm Sensor Base w/ Relay Driver

SIMPLEX 562-760 REV D AUXILLARY RELAY CARD ASSY BOARD

Simplex 4098-9682 Fire Alarm 4-wire Smoke Detector Base w/ Relay UNTESTED

4100/4120 Simplex Fire Alarm Auxiliary Relay Card Assembly Board 562-760 Rev F

Simplex UT Assy 565-274 Master Universal Motherboard PC Relay Circuit Board