“What is the life expectancy of the Nest - Protect 2nd generation smart smoke/carbon monoxide wired alarms? Other brand dual protection units advise they last about 10 years at which time they should be replaced?”
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It has a ten year life, it will alert you when it is time to replace.
Sorry, there was a problem. Please try again later.Hi BG, based on Nest webpage Second generation Nest Protects have to be replaced after 10 years, while first generation Nest Protects have to be replaced after 7 years.
I would recommend:
Sorry, there was a problem. Please try again later.According to the Nest documents, there is some regulatory reason that requires replacement at 10 years. It might be related to some technical aspect of the detection sensors.
Sorry, there was a problem. Please try again later.10 years is correct, and it will actually tell you when it needs to be replaced.
Sorry, there was a problem. Please try again later.It's my understanding it will operate upto 10 years, but we have only used our for 3 years so far.
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