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Hello, I currently have a Siemens DI-3IS fire alarm device and I’m looking for a suitable replacement. I heard about the OP121, can you confirm if it’s compatible or recommend a better alternative? Thanks!
Certainly! Yes, the OP121 is a suitable replacement for the Siemens DI-3IS. It offers similar functionality and compatibility, making it a seamless upgrade for your existing system. Feel free to proceed with the OP121 replacement for your DI-3IS device. If you have any further questions, please don’t hesitate to ask!
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