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kidde hardwired smoke & carbon monoxide detector with battery backup & voice alert - interconnect combination alarm logo

Kidde Hardwired Smoke & Carbon Monoxide Detector with Battery Backup & Voice Alert - Interconnect Combination Alarm Review

7

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Poor

Revainrating 3 out of 5  
Rating 
2.9
🧯 Fire Safety, 🔒 Safety & Security

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Description of Kidde Hardwired Smoke & Carbon Monoxide Detector with Battery Backup & Voice Alert - Interconnect Combination Alarm

Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!". Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup. Test-Hush Feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. UL Certified, 10-year limited warranty. Meets safety standards set by Underwriters Laboratories (UL) and interconnects with other KN-COSM-IBA models. 120V AC, All Kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA.

Reviews

Global ratings 7
  • 5
    3
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Type of review

Revainrating 5 out of 5

I bought this kidde alarm to replace my kidde alarm.

I bought this Kidde alarm clock to replace a Kidde alarm clock that broke after only three years. Just a year later it failed again, ie kept working in the middle of the night for no apparent reason. I've vacuumed the alarm repeatedly to ensure dust isn't causing false alarms and changed the 9 volt battery several times to no avail. I will not buy another Kidde product.

Pros
  • Impressive
Cons
  • Empty

Revainrating 1 out of 5

Saved our lives thanks to safety

I installed them last week. It was the first time I had smoke detectors with carbon monoxide detection. After a week of normal operation, it started at 4 a.m. today. I turned them off manually and they went off again. I called the fire department who arrived with a portable carbon monoxide detector and confirmed that our water heater was not working and was spewing out lethal levels of carbon monoxide. The gas company has shut down our boiler and we are waiting for service. It saved our lives.

Pros
  • Good product for the price
Cons
  • Not bad

Revainrating 1 out of 5

Not for long - fire protection

Two of these failed in just under three years, only a few months apart. Everyone had battery corrosion on the same connector. They had original Kidde batteries. Once the low battery alarm started beeping, I found the problem. Replacing the batteries in each device did not help. They kept chirping. I think the corrosion just prevented the terminals from continuing to function. The blocks had to be replaced. I think it's a safety issue as well as unnecessary expense. June 2018 Update - The third…

Pros
  • Very good price
Cons
  • Miscellaneous Miscellaneous

Revainrating 5 out of 5

Plug it in exactly as recommended and put in "new " batteries

AVOID! at all costs. Revane knows it is a defective product and is still selling it. Connected exactly as recommended and put in "new" batteries, and not sent, which sat on the shelf for 2 years. Within 4 hours of installation it started false alarms at 2am in the middle of the night, startling everyone in our family. Also, because of this, all the alarms in the house worked. This was a huge problem since I have high ceilings so I had to go into the garage at 2am and take a 14 foot ladder and…

Pros
  • Great for me
Cons
  • Not all good

Revainrating 2 out of 5

Replaces Kidde KN-COSM-IB

I bought these to replace my Kidde Wired Combo Smoke/Carbon Monoxide Alarms. I checked the Kidde site to make sure it's the current replacement for the KN-COSM-IB model. I bought two packs of 1 and one pack of 6. Each came with a set of batteries, bracket, cables and installation instructions. I only needed the batteries as they are direct replacements. The new block snapped onto my existing wire connector with no problems. Although the new unit is a bit smaller than the old one, it also fits…

Pros
  • Best
Cons
  • Unfashionable

Revainrating 1 out of 5

Waiting for failure

So in early September we bought 5 of these to replace all the obsolete smoke alarms in our house. In general, we saw the reviews and although it was a good option. They were easy to put on and looked beautiful. They seemed to be working fine when suddenly one of them started tweeting and yelling at us about low battery. That was strange as their detectors only worked for about 7 or 8 weeks. All of us are wired and properly installed, so no battery should be drained. I removed the batteries…

Pros
  • Absolute legend
Cons
  • Low repairability

This KN-COSM-IBA is a direct replacement for my KN-COSM-IB which has decided to announce its "End of Life" with a quick double chirp every 30 seconds at 3:30am " to announce when everyone was asleep. I ordered this new unit the next day and received it on a cold day so I brought it inside and let the new unit acclimate to room temperature/humidity overnight. The next morning, as instructed, I connected the three-pronged connector (black, white, red) that came with my old unit to this unit, then

Pros
  • Inspires Confidence
Cons
  • I Will Be Silent