Customer Reviews For The First Alert Hardwired Carbon Monoxide Alarm with Battery Backup

Very fast shipping! Arrived safely.

Quick shipping

CO Alarm

The process of purchasing the new CO Alarm was fine. I did though like the old model CO5120PDBN, with the digital display better than looking up what the beep sequence is indicating.

First alert carbon monoxide

Works good

Direct replacement

Quick ship plugged in to existing wiring .

First Alert CO5120BN Carbon Monoxide Alarm

My old detector quit working and this one fit perfectly. Easy install.

Very good

Very good

Mounting Issues

Alarm does not stay affixed to base - purchased 2 units and had to use double side adhesive tape to secure the units to their base.

Great customer service

Very satisfied with items and service - courteous and helpful over the phone.

CO update

Installed to existing frame - a snap

Excellent service, fast delivery.

Carbon Monoxide Alarm

I received my First Alert Hardwired Carbon Monoxide Alarm with Battery Back-up in the time frame I was supposed to. It was very easy to install.

My old detector quit working and this one fit perfectly. Easy install.

Works great.

co detector purchase

Product was delivered in a timely manner at a competitive price.

Easy to install and had the same wiring which made it very simple to switch out the old ones!

Purchase review

Ordered carbon dioxide detector from First alert store. They processed and sent the detector without delay. Called with mailing concern and they quickly and efficiently helped. A great Co. to work with and product is exactly what I needed. The web site is great. Thank You First Alert!

The best for home improvement

I buy all my smoke and CO alarms here. Prices are very good and my house is protected now, top to bottom.