Quote:
Originally Posted by mellpelc
my sensor is hard wired floor level black about 4 inches off ground. between kitchen and 2nd bathroom wall.
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In that case, you have a Propane Detector, not a CO (or CO2) one. They are 12V powered from the coach battery and have a 5 year (or so) lifespan. They have a specific alert sequence when then they reach End Of Life (EOL). An intermittent alert is more likely due to detecting propane, hairspray, farts, or other triggering smell.