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BRK (26)
First Alert (4)
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iO HVAC Controls (11)
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System Sensor (1)
UEi Test Instruments (2)

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Battery (1)
Carbon Monoxide Detector (38)
Carbon Monoxide Monitor (1)
CO Alarm (1)
CO Detector (4)
Explosive Gas Detector (1)
Gas Detector (4)
Module (1)
Relay (1)
Signaling Device (1)

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9V Alkaline (9)
AA (12)
AA Alkaline (4)
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Electrochemical (22)
Ionization (7)
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$20 to $25 (4)
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$40 to $45 (5)
$50 to $60 (11)
$60 to $70 (8)
$70 to $80 (6)
$80 to $90 (3)

Carbon Monoxide Detectors

73 items
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Product Image of KN-COP-DP-10YH Plug-In Hallway Carbon Monoxide Alarm (120v) w/ Digital Display, Lithium Battery Backup, and Escape/Night Light
$74.49 each
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Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of Personal Carbon Monoxide (CO) Monitor, UEiCLiP
$84.96 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Out of Stock
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Product Image of Nitrogen Dioxide No2 Sensor, Q5-NO2-10P-0-A
$615.04 each
In Stock
Get 4 by Fri, Jul 10 - Tue, Jul 14
In Stock
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Product Image of Qel Ethylene Oxide Electrochemical Pre-Calibated Smart Sensor Assembly, 85930-018-012
Qel Ethylene Oxide Electrochemical Pre-Calibated Smart Sensor Assembly, 85930-018-012
SKU: 85930-018-012
iO HVAC Controls
SKU: 85930-018-012
$469.07 each
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Product Image of Plug-In Carbon Monoxide Alarm w/ Battery Backup & Digital Display
Plug-In Carbon Monoxide Alarm w/ Battery Backup & Digital Display
SKU: 1039746
First Alert
SKU: 1039746
Brand: First Alert
$41.32 each
In Stock
Get 4 by Tue, Jul 7
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Product Image of Qel Carbon Monoxide Electrochemical 0-250 Ppm, Bacnet, Nema 4X Enclosure, B5C-CO-250P-0-A
$615.04 each
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Product Image of Hardwired Carbon Monoxide Alarm w/ 9V Battery Backup, CO5120BN
$37.79 each
In Stock
Get 2 by Tue, Jul 7
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Product Image of Interconnect Hardwire Smoke and Carbon Monoxide Alarm w/ 10-Year Battery Backup (6 Pack)
$393.64 each
In Stock
Get 1 by Wed, Jul 8
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Product Image of Carbon Monoxide Co Sensor, Q5-CO-250P-0-A
$615.04 each
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Product Image of Carbon Monoxide Alarm w/ 9V Battery Backup, CO250B
$21.56 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
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Product Image of 4 Sensor Digital Controller W/ Relay Board (4 x Spdt, 10 A), Q4C-A-R00
$1,025.06 each
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Product Image of Carbon Monoxide Electrochemical 0-250 Ppm + Q6R-No2 / Nitrogen Dioxide Electrochemical 0-10 Ppm, B6-CO-250P-0-A-Q6R
$934.86 each
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Product Image of Hardwired Smoke and Carbon Monoxide Alarm w/ 10-Year Battery Backup & Voice Alerts
$86.36 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
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Product Image of Qel Hydrogen Smart Sensor Replacement, 0-100% Lel, For Q5/B5 & Q6/B6 Gas Detection, 85930-017-018
$93.49 each
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Product Image of Carbon Monoxide Alarm w/ 9V Alkaline Battery Backup (6 Pack), CO400B6CP
$126.45 each
In Stock
Get 4 by Tue, Jul 7
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Product Image of Carbon Monoxide Alarm w/ 2 AA Battery Backup, CO605B
$31.53 each
In Stock
Get 5 by Tue, Jul 7
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Product Image of KN-COP-DP-B Plug-In Carbon Monoxide Alarm (120v) w/ Digital Display and AA Battery Backup
$58.90 each
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Product Image of Carbon Monoxide Alarm w/ 9V Alkaline Battery Backup (4 Pack)
$86.24 each
In Stock
Get 5 by Tue, Jul 7
In Stock
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Product Image of Carbon Monoxide Alarm w/ 9V Alkaline Battery Backup, CO400B
$21.08 each
In Stock
Get 3 by Tue, Jul 7
In Stock
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Product Image of Wi-Fi Propane Gas (LPG) Detector
Wi-Fi Propane Gas (LPG) Detector
SKU: GAS-LPG
Shelly
SKU: GAS-LPG
Brand: Shelly
$54.49 each
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Product Image of Smoke and Carbon Monoxide Alarm w/ Voice Warning & 10 Year Battery Backup
$53.67 each
In Stock
Get 2 by Tue, Jul 7
In Stock
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Product Image of Gas Detector (CO2), 5000ppm, SPLCB3BARCXNZZ
$908.03 each
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Product Image of Hardwired Signaling Device w/ LED Strobe Light
$75.17 each
In Stock
Get 4 by Wed, Jul 8
In Stock
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Product Image of Wi-Fi Natural Gas (CNG) Detector
Wi-Fi Natural Gas (CNG) Detector
SKU: GAS-CNG
Shelly
SKU: GAS-CNG
Brand: Shelly
$54.49 each
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Product Image of Q5/B5, O2 Replacement Sensor Oxygen, 25% Volume, 85930-916-000
Q5/B5, O2 Replacement Sensor Oxygen, 25% Volume, 85930-916-000
SKU: 85930-916-000
iO HVAC Controls
SKU: 85930-916-000
$195.96 each
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Get it by Tue, Aug 4 - Tue, Sep 1
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