Quote:
Originally Posted by travelcade
Picked up our new 2018 3820FK in November. As usual, every time you cook something the smoke detector goes off. Well, we're in the habit of removing it when I cook and laying it above the sink. As I was washing the dishes I noticed that the 9 volt was defective. Looked like it had been pried on the bottom; on closer inspection I noticed that the expiration date was 06/17. In other words, Keystone put an Expired battery into our unit when they built it! Apparently our safety and our lives mean nothing to them once they get their money. Check you batteries folks!
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Possibly look at your dealer instead of Keystone. I would suspect that Keystone buys smoke detectors in pallet lots and those should have current batteries.
And that 9V battery version - trade it out for a 3x1.5vdc (and more common now AA battery) version, dual dual sensor alarm such as this. Our original died within weeks of buying the 5er and this is what replaced it:
https://www.amazon.com/First-Alert-S.../dp/B00O8MVW0S