Silent Knight SD505-APS Smoke Detector – REFURBISHED – Tested, Cleaned, Fast Shipping

Need a reliable smoke detector for your fire alarm system without paying new prices?

This Silent Knight SD505-APS is refurbished but solid.

Here's the scoop: these units came from working systems, then got a full once-over—smoke chamber cleaned, tested with canned smoke, and checked on a FACP.

So they're good to go.

Made in the USA, brand name Silent Knight, model SD505-APS.

Whether you're replacing a faulty unit or building out a system, these work great.

Same-day shipping means you won't be waiting around.

And they're backed, so you're not buying blind.

If you're maintaining a commercial or industrial fire system, you know how pricey new detectors can get.

This is a smart way to keep things up to code without breaking the bank.

Grab a few spares while they're available.

Functional, tested, and ready to install.