It is generally recommended that a smoke detector be replaced every 8 years and a carbon monoxide detector every 5 years. Some people also have a propane detector which also usually has a 5 year life. Sometimes there is a combined carbon monoxide and propane detector. Some of these detectors have less than a 5 year life. So be sure to read the manufacturer’s instructions. You can write the replacement date in the battery compartment.
I am most concerned with the “silent killer” carbon monoxide as you cannot detect it with your nose and if you have a propane furnace it could developer a leak in the firebox. If your furnace develops a leak you have no way to tell except with a carbon monoxide detector.
Emery Stora
77 Kingsley
Frederick, CO
>
> Both is better. But the standards say that location of having one high and one low is not needed, because it generally mixes in the air enough to
> safely detect at any level. There is a document out there that states that. So a combo unit is fine.
>
> Like Jim said, a true Rv rated one is certified for like -40 to 120 degrees, and some vibration standard. Where a home unit is 40 to 100 degrees.
>
>
> I have always used home units. But I use at least two. I will probably wise up and get an RV one with the 10 year lithium battery soon.
>
>
> --
> Jon Roche
> 75 palm beach
> EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
> St. Cloud, MN
>
http://lqqkatjon.blogspot.com/
>
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