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Critsmcgee

join:2011-12-02
Reviews:
·Verizon FiOS
reply to tommo

Re: smoke alarm

"Seven years after initial power up, this unit will chirp" every 30 seconds. This is an operational end-of-life feature that will indicate that it is time to replace the alarm. UL 2034, the independent standard applicable to CO alarms, requires CO alarms to have an end-of-life warning. This requirement went into effect in March 2007, meaning any CO alarm manufactured after April 2007 with a UL listing must have this feature. Most states that require CO alarms in residential dwellings mandate that the alarm meet the UL 2034 standard."

»www.amazon.com/Kidde-KN-COSM-B-B···fe+smoke



pende_tim
Premium
join:2004-01-04
Andover, NJ
kudos:1
Reviews:
·Comcast

So if this went into effect in 3/2007, 7 years from that date would be 3/2014. Any detectors manufactured under UL 2034 should have 18 months "life" left.

Not saying that some manufactures did not adopt this standard before it became official.

But this aside, for the price of a detector VS your safety, spend the $40.00
--
The difference between genius and stupidity is that genius has its limits.


Critsmcgee

join:2011-12-02
Reviews:
·Verizon FiOS

said by pende_tim:

So if this went into effect in 3/2007, 7 years from that date would be 3/2014. Any detectors manufactured under UL 2034 should have 18 months "life" left.

Not saying that some manufactures did not adopt this standard before it became official.

But this aside, for the price of a detector VS your safety, spend the $40.00

I have a unit that's EOL manufactured in 2004. It started chirping this year so I know Kidde started adding that feature in 2004 at least to some units.