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First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack $46

$45.76
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Amazon has First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack for $45.75 + free shipping.

If you are looking to replace smoke detectors for the whole house, a good deal.

https://smile.amazon.com/gp/product/B000KKHWLU/
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Joined Dec 2011 Dilip Valanarasu
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This comment has been rated as unhelpful by Slickdeals users
Joined Mar 2009
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#2
These have Ionization sensors.
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Joined Apr 2020
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#3
Quote from BBQ_Bob :
These have Ionization sensors.
what does that mean, is it bad
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Joined Nov 2008
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#4
Quote from ThriftyPear619 :
what does that mean, is it bad
Photoelectric is much better. I would look for that first.
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Joined Apr 2020
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#5
Quote from brickhouse :
Photoelectric is much better. I would look for that first.
cool, thanks, learned something new. I know nothing about fire alarm lol.
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Joined Dec 2011
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#6
from the national fire protection association: Ionization smoke alarms are generally more responsive to flaming fires. Photoelectric smoke alarms are generally more responsive to fires that begin with a long period of smoldering. For best protection, it is recommended both (ionization and photoelectric) technologies be used in homes. In addition to individual ionization and photoelectric alarms, combination alarms that include both technologies in a single device are available.

https://www.nfpa.org/Public-Educa...toelectric
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Joined Dec 2005
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#7
Quote from ThriftyPear619 :
cool, thanks, learned something new. I know nothing about fire alarm lol.
I'm pretty sure the professional consensus is to have both kinds around the house because they do a better job detecting different types of fires. Ionization has a reputation for being more of a nuisance when close to the kitchen because of false alarms from steam or when you burn your food in the kitchen.

https://www.nfpa.org/Public-Educa...toelectric
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#8
Quote from brickhouse :
Photoelectric is much better. I would look for that first.
As mentioned in the posts following this, there are two types for two types of fire detection. Ideally, both are best together but nothing is wrong with these.
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Joined Jul 2014
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#9
I've been looking for some in my home to replace 10 year ones, are these a good option? Is this a good price?
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Joined May 2007
sder
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#10
i'm using battery ones now. convenient installation. 10 year battery.
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Joined Dec 2008
AXYEHHO
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#11
good price for sure. picked some earlier this year for about $8 a pop, this is even better. perfect for flipped houses
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