Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display
by Kidde
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Tools and Hardware Reviews of Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display
Customer Review: Yes, it is a piece of crap.
Summary: 1 Stars
I purchased this detector about 8 months ago, and just have others said there is an issue with battery drain and false alarms--as I discovered in the middle of the night. The major issue now is the constant "ERR" code that comes up causing the unit to beep LOUDLY. I have since disconnected it. The manufacuter date on the back is July 2006 and if the sensor is "dead" what the heck is the point of buying something so unreliable? Save your money and patience and find something more reliable.Customer Review: Worst ever
Summary: 1 Stars
I bought the first one which gave a false alarm after a month, replaced it as per the company's instructions, plugged in the new one, which gave off an alarm immediately. ("Gas", which is not in the manual). Called 911 both times, both times the fire dept said CO levels in my house and building was zero. According to the fireman, his detector cost $500 and said zero, mine cost fifty. Draw your own conclusion. He told me, "Go to Home Depot and buy what they recommend. Return this one."Customer Review: Saved My Life
Summary: 5 Stars
This instrument saved my life recently during a power outage. When the power went out my gas furnace was operating at maximum. This caused the electric blower to stop suddenly. The furnace was full of hot air, gas, partially combusted gas and carbon monoxide which had no place to go except into the room air. My Nighthawk CO alarm, which has a battery backup, alerted me to the potentially lethal situation and I was able to open the windows. Never go to sleep without it.Customer Review: very short life
Summary: 1 Stars
"This is the third Kidde Nighthawk that we've owned and all have exhibited the same behavior - after a little more than a year they produce a false alarm in the dead of night."
I completely agree with the above reviewer. It works fine initially. But it only lasts about a year. After that, it starts to produce a false alarm. I have purchased two of them back-to-back, thinking that the first one was a fluke, but the second one also only worked for a year.
Customer Review: Replace Your CO Monitors To Maintain Protection
Summary: 5 Stars
Unlike smoke detectors, carbon monoxide alarms must be replaced periodically to maintain protection. I used similar Kidde plug-in CO Alarms in the past with total satisfaction. I replaced my two 8-year old devices with new "Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display" units. Appearance and functionality matched to the previous devices and I recommend these units to anybody needing carbon monoxide alarms.