Quote:
Originally Posted by RY469
That was an CO detector, not (just) smoke. I'd get a new one (Combo CO/smoke) from Walmart and replace whole thing like the Lieutenant Commander suggested (cheaper). Is a good idea to keep an active carbon monoxide (CO) detector in the unit.
MCPO USN Ret
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In most RVs, the CO detector is combined with the propane detector, not the smoke detector:
https://www.etrailer.com/RV-Gas-Dete...fe/RS54FR.html
The combination propane/CO detector is normally a 12 volt device that is either wired directly to the battery, bypassing any battery disconnect switch that might be installed - or it can be wired into the standard 12 volt DC buss via a fuse in the power distribution panel. Usually in the ceiling is a plain 9 volt battery powered smoke only detector. Now, there certainly is nothing wrong with replacing whatever unit was there with a combination CO/Smoke Detector that runs off a 9 volt battery (because there clearly is no wiring visible in the photo for a 12 volt detector). But it is highly unlikely there was a CO detector originally there.