Hello, I have a Siemens DT-135F fire alarm device that needs replacement. Can you recommend a suitable alternative? I heard about the 5603, but I’m not sure if it’s compatible. Please advise. Thank you!
Hello! Yes, the 5603 can indeed be a suitable replacement for your Siemens DT-135F. It’s compatible and should work seamlessly as a replacement device. If you have any more questions or need further assistance, feel free to ask. Thank you!