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odbal 15K Views
Nov 30, 2021 11:09 PM

Kidde Nighthawk Digital Carbon Monoxide/Gas/Propane Detector w/ Battery Backup

$30

$40

25% off
+ Free S/Hat Amazon
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Deal Details
Amazon has Kidde Nighthawk Digital Display Carbon Monoxide/Gas/Propane Detector w/ Battery Backup on sale for $29.99. Shipping is free.

Thanks to community member odbal for finding this deal

Note, must be sold/shipped by Amazon

About the Product
  • Easy installation
  • CO detector with digital display & alert modes; 85 decibel alarm alerts of fire
  • Electrochemical sensor technology - detects carbon monoxide & other forms of combustible gas such as propane & natural gas
  • Combo smoke and gas alarm is powered by a 120VAC wall outlet w/ 9V battery backup
  • Low battery warning feature indicates when the battery needs replacement
  • UL Certified
  • Two alarms in one detects carbon monoxide and explosive gas
  • Three convenient mounting options
Warranty
  • Includes a 5-years limited warranty w/ purchase of this product

Editor's Notes

Written by Discombobulated | Staff
  • Price Research: Purchase this unit today and save $10 Off (25.01% Savings) from the original list price of $39.99. This product recently dropped in price and we haven't seen it this low in years
  • The Kiddie offers a continuous digital display that shows you the level of carbon monoxide (if any) as well as sensing if gas is present; the gas sensor is a metal oxide sensor designed to detect natural gas (methane) or propane
  • Product is returnable until January 31, 2022
  • Offer valid while promotion/supplies last
Additional Note

Original Post

Written by odbal
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has Kidde Nighthawk Digital Display Carbon Monoxide/Gas/Propane Detector w/ Battery Backup on sale for $29.99. Shipping is free.

Thanks to community member odbal for finding this deal

Note, must be sold/shipped by Amazon

About the Product
  • Easy installation
  • CO detector with digital display & alert modes; 85 decibel alarm alerts of fire
  • Electrochemical sensor technology - detects carbon monoxide & other forms of combustible gas such as propane & natural gas
  • Combo smoke and gas alarm is powered by a 120VAC wall outlet w/ 9V battery backup
  • Low battery warning feature indicates when the battery needs replacement
  • UL Certified
  • Two alarms in one detects carbon monoxide and explosive gas
  • Three convenient mounting options
Warranty
  • Includes a 5-years limited warranty w/ purchase of this product

Editor's Notes

Written by Discombobulated | Staff
  • Price Research: Purchase this unit today and save $10 Off (25.01% Savings) from the original list price of $39.99. This product recently dropped in price and we haven't seen it this low in years
  • The Kiddie offers a continuous digital display that shows you the level of carbon monoxide (if any) as well as sensing if gas is present; the gas sensor is a metal oxide sensor designed to detect natural gas (methane) or propane
  • Product is returnable until January 31, 2022
  • Offer valid while promotion/supplies last
Additional Note

Original Post

Written by odbal

Community Voting

Deal Score
+32
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21 Comments

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Dec 1, 2021 1:19 AM
1 Comments
Joined Apr 2010
michael00bakerDec 1, 2021 1:19 AM
1 Comments
No can do with the explosive gas detector. After my dinner of Bush's baked beans I'll be setting that thing off all night long!
5
4
Dec 1, 2021 1:52 AM
73 Comments
Joined Jul 2016
sanden222Dec 1, 2021 1:52 AM
73 Comments
Quote from michael00baker View quoted comment :
No can do with the explosive gas detector. After my dinner of Bush's baked beans I'll be setting that thing off all night long!
Taco alarm bell
3
4
Dec 1, 2021 2:47 AM
2.3K Comments
Joined Dec 2006
bob151Dec 1, 2021 2:47 AM
2.3K Comments
Thanks, I had no awareness of the prior hot deal. Used chase rewards for $15 off as well.
Dec 1, 2021 3:02 AM
1.3K Comments
Joined Nov 2007
gerfDec 1, 2021 3:02 AM
1.3K Comments
These are very sensitive and detect minuscule leaks. The local HVAC wouldn't come out until the FD checked everything. One pipe needed tightened was all.

It's a good peace of mind.
Dec 1, 2021 3:32 AM
6.8K Comments
Joined May 2009
jkloisdafoiwdafDec 1, 2021 3:32 AM
6.8K Comments
Be aware that CO is lighter than air and propane is heavier than air. It can detect multiple kind of gas, but probably not at the same time because of its placement
Dec 1, 2021 3:42 AM
2K Comments
Joined Sep 2005
livingaboardDec 1, 2021 3:42 AM
2K Comments
I had an explosive gas detector upstairs many years ago. Turned out my then wife was an alcoholic. I decided to pour out all the alcohol we had in the kitchen sink downstairs. There was so much alcohol in the house that I poured out, that the explosive gas detector upstairs went off about halfway through emptying all the bottles. And the sink was draining the entire time. Crazy.
Dec 1, 2021 3:49 AM
1.6K Comments
Joined Sep 2006
my3centsDec 1, 2021 3:49 AM
1.6K Comments
Quote from jkloisdafoiwdaf View quoted comment :
Be aware that CO is lighter than air and propane is heavier than air. It can detect multiple kind of gas, but probably not at the same time because of its placement
But if you have gas heat or a gas stove or oven, natural gas is mostly methane, which is also lighter than air (and lighter than carbon monoxide also). I think that nearly all apartments, and many private homes, are more likely to have natural gas on premises than would have propane.

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Dec 1, 2021 4:45 AM
684 Comments
Joined May 2010
MEBDec 1, 2021 4:45 AM
684 Comments
Didn't know there was a difference between CO and gas as far as detectors go I thought CO detector would sense gas. We are switching from electric to gas range so I just bought 2 of these. One for the furnace and one for the kitchen. Thanks.
Dec 1, 2021 5:36 AM
1.5K Comments
Joined Nov 2018
b-t-1Dec 1, 2021 5:36 AM
1.5K Comments
This WILL detect fart gas. I'm not making a joke. False alarms will be a constant nuisance.
1
Dec 1, 2021 6:22 AM
684 Comments
Joined May 2010
MEBDec 1, 2021 6:22 AM
684 Comments
Quote from b-t-1 View quoted comment :
This WILL detect fart gas. I'm not making a joke. False alarms will be a constant nuisance.
So best place it where you won't fart like furnace or behind the oven.
Original Poster
Dec 1, 2021 7:32 AM
1K Comments
Joined Feb 2010
odbal
Original Poster
Dec 1, 2021 7:32 AM
1K Comments
Quote from jkloisdafoiwdaf View quoted comment :
Be aware that CO is lighter than air and propane is heavier than air. It can detect multiple kind of gas, but probably not at the same time because of its placement
CO is very, very slightly lighter than air...a difference of less than half the molecular weight of hydrogen, the lightest known gas. In the face of all other environmental variables (air flow, temperature variances, humidity, etc), that difference becomes arguably one of the least contributing factors to where CO travels. It would be more accurate to say that CO usually diffuses with air. As for whether one location is perfect for this to detect both gases with equal effectiveness, I agree that there may not be one. Personally, I use it for its explosive gas abilities...CO detection is secondary to my primary units throughout the house. That said, if this is plugged into a kitchen outlet above a countertop, it would be well-positioned to catch either explosive gas leaks or CO from the stove. Same with a mid-wall outlet near a hot water heater in a garage.

Definitely shouldn't be one's only line of defense for CO detection, but should absolutely be incorporated on top of other CO detectors for its explosive gas detection.
Last edited by odbal December 1, 2021 at 01:26 AM.
Dec 1, 2021 7:34 AM
86 Comments
Joined Aug 2013
LakeN4302Dec 1, 2021 7:34 AM
86 Comments
Quote from b-t-1 View quoted comment :
This WILL detect fart gas. I'm not making a joke. False alarms will be a constant nuisance.
You got such an atomic fart!!! That's WMD. You will need a Dick Cheney / Bush Jr. detector.
2
Dec 1, 2021 7:47 AM
3.7K Comments
Joined Jul 2019
94c107ea-869c-45a5-becd-c6b552Dec 1, 2021 7:47 AM
3.7K Comments
One FF post and now everyone suddenly needs 'explosive gas detector', laugh out loud
Dec 1, 2021 8:07 AM
846 Comments
Joined Oct 2018
dmcccdmnDec 1, 2021 8:07 AM
846 Comments
Price junped up by $2

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Original Poster
Dec 1, 2021 8:25 AM
1K Comments
Joined Feb 2010
odbal
Original Poster
Dec 1, 2021 8:25 AM
1K Comments
Quote from dmcccdmn View quoted comment :
Price junped up by $2
Ugh! So it did! Those fools...right when the product hits FP on SD. Hopefully they swing back the other way if they see sales tapering off.

Given the timing, it may have been set to go up on Dec 1.

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