These were replacements for others that were at their end of life. I like the digital read out to establish trends. In my Cessna 172 I used one. Much less expensive that the aviation ones & it did not interfere with any radios, GPS, Loran-C, VOR, nor Marker beacon & helped me locate the reason for 12 to 37 ppm in the cab when I was climbing out only, was steering rod boots. We heat with oil in a French Devil stove that requires no electricity & wood insert in fireplace, where it is good to see trends. Have one in the DP RV too. I wish there was a replacement for the electro/chemical sensor that has a 7 year life, instead of total replacement of the unit.
Verified purchase: Yes | Condition: New
Great product. Good Price. 10 year guarantee...
Verified purchase: Yes | Condition: New
Nice 2-pack...they come with small drywall screws for easy placement. Small green led blinks softly under normal operation & nice to monitor battery status visually.. ty
Verified purchase: Yes | Condition: New
Ordered these November 21. One for furnace area the other upstairs. They are new, not seconds, and work as advertised. As well as giving us peace of mind knowing that winter heating season CO levels are OK.
Verified purchase: Yes | Condition: New
Just recently bought it easy to install and so far has not detected and carbon monoxide fumes. Thank You!
Verified purchase: Yes | Condition: New
It is good product with good price I recommend
Verified purchase: Yes | Condition: New
Easy to use and understand works well
Verified purchase: Yes | Condition: Pre-owned
Verified purchase: Yes | Condition: New
AWESOME IS A 5 STAR PRODUCT.
Verified purchase: Yes | Condition: New
Will use soon.
Verified purchase: Yes | Condition: New
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