I was looking for a four wire carbon monoxide detector. My original was at end of life. This seemed like a good deal. Alarm guys are charging double due to the pandemic. Changed it myself and all seems good. Haven't tested it with liquid co for operation. Hope it works. Would recommend so far.
Verified purchase: Yes | Condition: New
The expiration date on the product has already passed so I'm not sure how long it is going to last. In the meantime it is working fine.
Verified purchase: Yes | Condition: Pre-owned
Very good! I ordered on Jan 10,2020 and received on Jan 29,2020. It's produce date is 2019. I will come back in ten years
Verified purchase: Yes | Condition: New
It is exactly like the one I needed to replace. That made it very easy to wire up and get it working.
Verified purchase: Yes | Condition: New
This sensor was just fine.
Verified purchase: Yes | Condition: New
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