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Tools and Hardware Reviews of First Alert CO615 Carbon Monoxide Plug-In Alarm with Battery Backup and Digital DisplayCustomer Review: Great feature - battery backup Summary: 5 Stars
I bought this to replace my older detector. We lost power for 4 days and that's when I realized that without battery backup my carbon monoxide detector was useless. I needed it because we were using a kerosene heater for some heat and we got a bit ill from it. So next time we lose power and have to use emergency heaters at least we will know if the carbon monoxide levels become unsafe.
Customer Review: End of the line Summary: 1 Stars
My last purchase at amazon.com. I bought two alarms. One worked, one did not. Alarm horn did not sound. Had a previous problem buying a blood pressure machine, grotesquely misdescribed on the website. I have heard that Amazon has a no-return policy. Really does not matter. My time is too valuable to pack, address and go to the post office. Bye Amazon. Bye First Alert.
Customer Review: A way to test it. Summary: 5 Stars
I am looking to purchase a carbon monoxide detector for my new home, and after reading these reviews i guess one way to safely test if this product does work is to start your car up and place it by the muffler and see what the readings are. Other than that i guess you will have to just wait until you have a leak or bulidup somewhere to know if it is really working or not
Customer Review: Simple to Use, Simple to Test, Great Value! Summary: 5 Stars
My old carbon monoxide detectors were a different brand, and they were due for replacement. I trusted the First Alert brand and gave these a try. I bought three of them (one for each level of the house). They work great, they are simple to test periodically, and I was very satisfied with the value for the money. I would recommend these detectors to anybody.
Customer Review: Works Great Summary: 5 Stars
We got this to replace our 5 year old CO Detector. Works great (I think - hasn't gone off, but we hadn't expected it too. In the past we've had problems with our furnace, so the Gas Company recommended the digital read out. We don't want to mess with changing batteries and our power doesn't go out very often. This model has everything we were looking for.
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