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  • #3716
    Matthew Miller
    Participant

    Hello everyone, I have a Siemens DI-3 fire alarm device that needs to be replaced. Can anyone recommend a suitable replacement for it? I’ve heard about the OP121, but I’m not sure if it’s compatible. Any insights would be appreciated. Thanks!

    #3717
    Khris James
    Moderator

    Certainly! The OP121 is indeed a suitable replacement for the Siemens DI-3. It offers advanced features and seamless integration. You can confidently go ahead with the OP121 as your replacement choice. If you have any more questions or need further assistance, feel free to ask. Good luck!

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