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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Model OP921 is a plug-in
The UD-2000 Digital Alarm Communicator Transmitter (DACT) provides for up to two (2) phone lines for communication to a monitoring station
System Sensor SPWL L-Series Indoor High Fidelity Speaker
and a protective plastic cover prevents nicked wires
Edwards SIGA-IM EST Isolator Module
Siemens DB-ADPT (500-094187) Detector Base Adapter srl-sp Model OP921 is a plug-inSiemens DB ADPT (500 094187) Detector Base Adapter interfaces Series 11 detectors with preciously installed DB 3S bases For Series 3 air duct detector models AD 3P, AD 3ILP, and SA 3P, use Series 11 Dutch Update Kit AD 11UK, which contains both the DB ADPT and the required DA 304 air duct cover for Series 11 detectors.
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