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    Johnson Controls M300MJ Fire Alarm Monitor Module

    • Item No : 235872582011
    • Condition : Used
    • Brand : Johnson Controls
    • Seller : txfirealarms
    • Current Bid : US $30.00

    • * Item Description

    • Johnson Controls M300MJ addressable monitor module. Untested but pulled from a working system in October 2021. Comes with the cover plate, screws and a 47K resistor.
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