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The Kidde Hardwired Carbon Monoxide Detector with 9-Volt Battery Backup, Digital LED Display uses electrochemical sensor technology to detect poisonous CO gas in your home and alert you by sounding an 85-decibel alarm. Setup is easy as the Kidde carbon monoxide alarm plugs into a standard, 120V AC power outlet in your home, while a 9-volt alkaline battery (included) works as a backup in the event of a power failure. When carbon monoxide is detected, the digital display shows the level of carbon monoxide the alarm is sensing and updates every 15 seconds. Peak Level Memory records the last time carbon monoxide was detected or when the unit was tested. The Smart-Hush button silences the unit for approximately 8 minutes, which is helpful when this smoke detector carbon monoxide detector combo sounds from things like routine cooking or shower steam. Install a carbon monoxide smoke detector combo on every level of your home and near bedrooms to help keep your family safe. UL Certified with a 10-year limited manufacturer's warranty. Meets requirements of UL 2034, UL217, NFPA72, (chapter 11 2002 edition) The State of California Fire Marshal, NFPA101 (One and two family dwellings) Federal Housing Authority (FHA), Housing and Urban Development (HUD).
Amazon.com
An essential device designed to protect you and your family from the dangers of carbon monoxide in your home, the Kidde KN-COP-IC carbon monoxide alarm can be installed on the surface of any wall or ceiling and hardwired into your home's electrical system. It also offers a digital display that shows the current carbon monoxide (CO) level at a glance as well as a battery backup. With an increasing number of state and local governments passing legislation requiring CO detectors in homes, it's never been a better time to safeguard your family against carbon monoxide exposure.
The hardwired Kidde KN-COP-IC carbon monoxide alarm.
Easily mounts to ceilings or walls, and it provides a digital display and battery backup.
Features
The AC wire-in Kidde KN-COP-IC carbon monoxide alarm offers multiple contractor-friendly features to ensure easy installation and minimal troubleshooting. It can be installed on any standard single gang electrical box (up to a 4-inch octagon junction box), and it features a snap-on electrical harness for quick installation and an adjustable mounting bracket for perfect alignment. The unit also includes a smart interconnect system with up to 24 Kidde devices, including smoke alarms. When interconnected, it can sound its carbon monoxide alarm pattern as well as sound a different alarm pattern when a Kidde smoke alarm is in alarm mode.
It features three color LEDs for at-a-glance status updates. A green LED lights constantly when AC power is present, and it flashes every 7 seconds when in battery mode. An amber LED illuminates during a CO incident, while a red LED flashes in unison with the audible alert for both a smoke or CO incident. A digital display allows constant monitoring of carbon monoxide levels and updates every 15 seconds to let you know if levels change. The peak level memory feature displays the highest CO level measured since the last reset. A battery-backup system (powered by included 9-volt battery) provides continuous monitoring of carbon monoxide levels even during a power failure. It has a seven-year operating life and is backed by a five-year limited warranty.
What's in the Box
One Kidde KN-COP-IC hardwire carbon monoxide alarm, one 9-volt battery, one adjustable mounting bracket, and operating and installation instructions.
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john lawrence
2025-09-03 15:42:36
works great
vincent j. pietrucha
2025-08-30 15:11:21
Easy to install and easy to see the signals.
chairman220
2025-08-26 14:02:07
This Carbon Monoxide Detector is a direct replacement for those that were originally installed. It was easy to swap out the old one with this new one. Friends in the local fire department recommend this unit as being reliable.
Roberta
2025-08-18 15:46:51
I was having problems with the hard-wired CO and smoke detectors in my home and was searching for replacements. In doing some online research, I ended up calling Kidde (pronounced kid-ah, I found out), and had a nice, long, informative conversation with a very pleasant lady in customer service. We discussed all the pro's and con's of various units, and these detectors sounded like what I wanted. My existing detectors were First Alert, so in order to install the Kidde detectors without doing some rewiring, I needed to get adapters, which convert the wiring harness plug from First Alert to Kidde. Unfortunately, I could not get these from Amazon. The only adapter they offered was a package of two, one of each type, so you had to use one and throw the other one away. And there was a 2-week wait on those. That was the negative, but price-wise, Amazon couldn't be beat for the detectors, especially since I needed 2 CO detectors and 8 smoke detectors. The switch-over from the old detectors to the Kidde detectors was simple and fast. One thing I found out about the CO detectors is that they have a limited lifespan and need to be replaced every 4-5 years. Mine were 6 years old, which is probably why I had to replace the backup batteries about once a month. I had one that would continue to chirp even with a new battery, which is what prompted the replacement in the first place. I really like these new Kidde CO detectors because they have a digital display, which will show the level of CO if there is an alarm, and they will also show you when the battery needs to be replaced.
Jon Edens
2025-08-02 20:48:23
I bought two of these along with seven of the Kidde model PI 2010 smoke alarms as part of an interconnected alarm system I needed to install. To me, the important features were the ability to combine the CO alarms with smoke alarms on a single system, the digital readout (ppm CO), and the 120 volt power with battery backup. The units were easy to install for the most part, as the mounting plate and wiring harness are identical to those supplied with the smoke alarms. They started working immediately and have had no problems so far. Plugging the wiring harness into the back of the alarm was somewhat difficult, and it will need to be unplugged to change the battery. Because of that I'm not looking forward to the annual task of replacing batteries on all nine units, and it leaves me wondering when the designers will come up with an easier type of connection. Other than that I have no complaints, and I would recommend these units for anyone needing a 120 volt powered CO alarm.
Big "C"
2025-07-02 12:26:29
I can depend on Kidde for advanced alarms for Carbon Monoxide and Smoke. I've been using them for decades. This is a device you don't skimp on. And I highly recommend them!
Gail Sherman
2025-06-25 15:30:05
good product
LoveCH
2025-06-12 13:41:19
This is 3rd Kidde probably monoxide detector that I have installed in my home over the last 20 years. Each time I have bought another, they have upgraded the features and made it even better. The connector used to hardwire the detector makes it easy to buy the next ation of detectors and install them yourself. This is the one you want.
ATVFUN
2025-06-03 12:36:54
Wont know if its working until there is a CO problem. But so far so good...
Customer
2025-05-22 12:54:13
Easy to install. Has sounded when required. clean lines. Decent pricing. Would buy again when required.
BrianJ
2025-03-15 16:52:39
This works perfectly and I love the display (which will flash a number if any there are any battery issues)
2Dawgs
2024-12-24 17:01:52
Easy to replace old unit, like the readout of CO2 if present.
Jesse
2024-12-17 13:21:57
Received this to replace a device that had outlived its lifespan. Installed it with the battery that came with it and got a low battery alert. Tried a couple new batteries that I had already and within a day got low battery warnings for those as well. I was getting ready to return it but then noticed that there were 3 recommended batteries listed on the battery door. Went out and bought one of those and have not had a problem since.
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