[Sophia Adams]

I currently have a Silent Knight SD505-APS addressable photoelectric smoke detector installed in my building. I’ve heard about the newer model, the SD505-PHOTO. Can I simply replace the old one with the new model without any additional adjustments?

[Khris James]

Yes, you can easily replace the SD505-APS with the newer SD505-PHOTO model. The SD505-PHOTO is designed to be a direct replacement for the SD505-APS, so there shouldn’t be any compatibility issues. Just make sure to follow the manufacturer’s installation instructions and perform any necessary programming adjustments on your fire alarm control panel to ensure proper functionality.

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