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Old 2019-02-02, 10:40 PM
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BrianT BrianT is offline
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Join Date: Apr 2009
Location: Ontario - Orleans
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Check the side of the smoke alarm and see if there is a date. This is the expiration date of the smoke alarm. It could be chirping because it's too old.
I had to replace mine a couple years back because one of them was chirping. I discovered the one that was chirping was expired and the others were close so I ended up replacing all of them.

Mine are Kidde and I simply bought the same brand. I also didn't feel like replacing the mounting bracket in the ceiling and took a chance that the new Kidde alarms used the same mounting bracket and they did. I also recall an adapter that came with the smoke alarm but I didn't need to use it because I was able to use the existing ones as well.
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Builder: Tamarack Homes
Location: Chaperal (Orleans)
House: Avon 4E
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