Originally Posted by philv
This is a Carbon Monoxide detector. It says carbon Monoxide detector on in. It is mounted over the bed on the ceiling on my 2014 FR3 28DS. It has three AA batteries. Differeant on the FR3 30, as you say. . Mine is not hard wired. But it is definatly a carbon Monoxide detector.
The ones that come with the RV are the cheapest ones made. I replaced mine with upgraded, residential, smoke/fire/CO detectors with a bright LED escape light. I think they ware about $30 at Lowe's.
They don't false. They work like they should.