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3-Pack Kidde Nighthawk Plug-In Carbon Monoxide Alarm w/ Battery Backup EXPIRED

$68
$89.97
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Woot.com has 3-Pack Kidde Nighthawk Plug-In Carbon Monoxide Alarm w/ Battery Backup (KN-COPP-3) on sale for $67.99. Shipping is free for Prime Members, otherwise is $6 flat-rate. Thanks carmadany
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The digital readout of the Kidde Plug-In Digital Carbon Monoxide Alarm with 9-Volt Backup continuously displays carbon monoxide levels from 30 to 999 parts per million (PPM) and will sound an 85 dB alarm when dangerous levels are reached. Protection continues during power outages thanks to a 9-volt battery backup. -slickdewmaster

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Edited July 20, 2019 at 08:31 AM by
Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup (3-Pack) $67.99

https://www.woot.com/offers/kidde..._tool_1_71

Price compare on Amazon https://www.amazon.com/Nighthawk-...B00002N86A
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i would research these before buying.
Kidde has been subject to many product recalls
and these could have dated sensors already a few years old.

that said, i did amazon buy of Kidde's latest models
and the sensor date was Feb'2019 - which is "fresh".

the sensor date is important because many apt buildings and
insurance policies require co2 sensor age be under 6-8 years.
so if you buy 3 today hoping to shelve 2 for later years,
you may end up wasting your money unable to use them
as they will appear expired under policy despite their disuse.

be advised in 2020 there will be a new sensor standard,
so you can expect pretty much every co2 detector sold
with these older designs to go under clearance sales.
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#3
You have to call me dragon.
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#4
i would research these before buying.
Kidde has been subject to many product recalls
and these could have dated sensors already a few years old.

that said, i did amazon buy of Kidde's latest models
and the sensor date was Feb'2019 - which is "fresh".

the sensor date is important because many apt buildings and
insurance policies require co2 sensor age be under 6-8 years.
so if you buy 3 today hoping to shelve 2 for later years,
you may end up wasting your money unable to use them
as they will appear expired under policy despite their disuse.

be advised in 2020 there will be a new sensor standard,
so you can expect pretty much every co2 detector sold
with these older designs to go under clearance sales.
Reply Helpful Comment? 25 1
Last edited by PetSpy July 18, 2019 at 08:13 AM.
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#5
How's the wifi on these?

On the real though. I always thought carbon monoxide sensors should be higher up on the wall. I'm pretty sure 80% or more of us have the typical outlet about a foot up from the floor.
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#6
Quote from NorthwestREIGN
:
How's the wifi on these?

On the real though. I always thought carbon monoxide sensors should be higher up on the wall. I'm pretty sure 80% or more of us have the typical outlet about a foot up from the floor.
It has a power cord so you can mount them higher on the wall.
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#7
Quote from NorthwestREIGN
:
How's the wifi on these?

On the real though. I always thought carbon monoxide sensors should be higher up on the wall. I'm pretty sure 80% or more of us have the typical outlet about a foot up from the floor.
From https://www.safety.com/carbon-mon...placement:

Install CO detectors at your knee height. Never position carbon monoxide detectors on the ceiling like you would smoke detectors. Carbon monoxide blends with your home's air and does not rise. Follow your manufacturer's manual to properly install your detector at the right height. Remember to keep kids and pets in mind during installation.
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#8
I need to replace some old detectors that are 7-8 years old. Are these worth it???
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Quote from kasedian
:
I need to replace some old detectors that are 7-8 years old. Are these worth it???
I know someone referenced out of date sensors... if these are newer sensors then these are 100% worth it. I'm getting a set myself and I already own 2
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Looks like Woot customer service says that the sensor date on these are January 2019... so should be good to go!
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Last edited by Marvel11 July 18, 2019 at 08:21 AM.
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#11
Quote from kasedian
:
I need to replace some old detectors that are 7-8 years old. Are these worth it???
They are worth it as you should replace your units as they are so old. These have an internal clock i'm guessing which counts down and when it hits zero it gives you end of life warnings.
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#12
yeah, better buy a bunch of these. you never know when that evil carbon monoxide is gonna suddenly overtake your home and silently kill off everyone!!
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#13
Quote from NorthwestREIGN
:
How's the wifi on these?

On the real though. I always thought carbon monoxide sensors should be higher up on the wall. I'm pretty sure 80% or more of us have the typical outlet about a foot up from the floor.
It doesn't matter where you mount them, so long as they are a decent (10-20ft) from CO producing sources. You'd also want to follow the same suggestion that smoke alarms have to not locate them near air returns or supplies.

CO is slightly lighter than "air", but the difference is so slight that is mixes well and quickly with indoor air. So you could mount these 1ft off the ground on your outlet and that's fine.
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#14
Quote from fleabus
:
yeah, better buy a bunch of these. you never know when that evil carbon monoxide is gonna suddenly overtake your home and silently kill off everyone!!
Up here in Minnesota, each winter there are always a couple deaths that happen because of CO leaks/poisoning.
(Winter, because our heating is usually natural gas or propane)

Almost always, they go to sleep, and simply never wake up.
(Which would be a great way to go, if you wanted to die, but usually it is a whole family where the CO moved through the whole house)
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#15
Quote from NorthwestREIGN
:
How's the wifi on these?

On the real though. I always thought carbon monoxide sensors should be higher up on the wall. I'm pretty sure 80% or more of us have the typical outlet about a foot up from the floor.
No. CO2 is nearly the same atomic mass as air (N2, O2, Ar). It mixes evenly.
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