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  • #3766
    Sophia Davis
    Participant

    Hello everyone, I have a System Sensor RA400Z in my fire alarm system, but it’s not working properly anymore. I’m looking for a suitable replacement. Can anyone recommend a replacement model? Thanks in advance!

    #3767
    Khris James
    Moderator

    Hi Sophia, I recommend replacing your System Sensor RA400Z with the RA100Z. It’s a suitable replacement that will work seamlessly with your existing setup. If you have any more questions, feel free to ask!

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