Re: Smoke alarms

[nick markowitz <nmarkowitz@xxxxxxxxx>]

On May 2, 10:03=A0pm, Jim <alarmi...@xxxxxxx> wrote:
> On May 2, 4:36=A0pm, "Doug" <d...@xxxxxxx> wrote:
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> > "nick markowitz" <nmarkow...@xxxxxxxxx> wrote in message
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> >news:54735ddb-0f03-417b-9102-23e13ebefd8b@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=
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> > On May 2, 3:20 pm, Jim <alarmi...@xxxxxxx> wrote:
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> > > On May 2, 1:57 pm, zig <wallstreet123...@xxxxxxxxx> wrote:
> > >The 10 year recommendation from NFPA is in regards to Ionization type
> > >smoke detectors not photo electric which you have as long as they pass
> > >yearly inspection there should be bo problems with them. how ever ESL
> > >does have to have a higher false alarm rate as they geet older and
> > >dirty if your going to replace them look at the System sensor brand I
> > >-3 Brand very good units and they warn if they get dirty.
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> > My understanding is that the 10 year issue applies to smoke alarms, not
> > system connected smoke detectors and doesn't differentiate between
> > ionization & photo electric devices.
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> > I'm not sure that smoke detectors have any such recommendation or
> > requirement unless specified by the manufacturer.
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> > Doug
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> System smoke detectors have no limit on how long they can be
> installed. They should be checked and if not working, change them.

The link has about changing out smokes at 10 years  and other good
stuff might want to put it in FAQ section