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Regular: $54.95
Price: $44.05
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Average score based on 66 reviews
- Reviewed: 02/27/2022 by David L
USI Electric Carbon Monoxide and Natural Gas
This alarm replaced my previous hard-wired USI Carbon Monoxide alarm. It was reasonably priced and delivered to my home on time. It was very easy to install as the electrical connector was the same as my previous model. It also detects Natural Gas as an added bonus. Overall, I am very pleased with this purchase and would recommend it.
- Reviewed: 12/31/2021 by Alberto N
Good Experience
Good experience ordering on website. Delivery of product and product itself.
- Reviewed: 11/17/2021 by Kris J
Good product
Product works great
- Reviewed: 11/09/2021 by Ross K
Smoke replacement
I was pleasantly surprised this company was still producing after there product has been in homes.for 10 years. Thanks for providing me a 1 for 1 swap option you saved me a lot of time.
- Reviewed: 10/21/2021 by James D
USI Product and Service
Typical quality product from USI, with a good selection of options and ease of installation. I continue to purchase from Universal because of their excellent customer service, very prompt order fulfillment and shipping.
- Reviewed: 04/12/2021 by Michael A
Outstanding alarm
So I was trying to exactly match the CO2/gas alarm we had and this one was the exact match. The alarm arrived promptly and works great!
- Reviewed: 11/12/2020 by Karl Gontkof
MCN108 2-in-1 CO2 & Natural Gas Alarm
I have used the USI 2-in-1 CO2 and Natural Gas models for over 15 years. The product works well, however it doesn't always live a 7 yr life
- Reviewed: 07/31/2020 by Debra Stec
Love them. They work really good.
- Reviewed: 07/02/2020 by James Morehouse
Easy Installation
The alarms in the house I purchased at the end 2018 had these alarms, and I noticed they were already three years out of date, and were still working. I decided to replace them with these from the same company, as they seem to be pretty reliable.
GOOD⭐️