
Posts: 2091
Location: Stevens Point, WI | Propane is heavier than air and will in fact sink to a lower area, I have actually seen this on a large scale leak. I believe there has been documented cases of explosions on enclosed hull boats were the bilge has ignited the propane. As far as carbon monoxide is concerned even in a relatively ventilated shanty or boat you can still have a dangerous level of CO. It's a matter of exposure time with carbon monoxide, probably not a good idea to run them full blast all day unless it is a model that is rated safe for indoors. Also make sure the propane tank is not too close to the heater as you can have a BLEVE (boiling liquid expanding vapor explosion.)
Edited by MuskieMedic 11/23/2004 2:17 AM
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