Originally Posted by WDK
....to tell you the truth I am leaning towards it being a recommendation only. I went to Onan and they cautioned against the home made or otherwise modified exhaust systems for the carbon dioxide back up problems and because their emissions output is as safe as they can make it but I do want to be a good neighbor.
The emission output of current generators in RV's put out upward of 3% CO, (30,000ppm), as they are uncontrolled combustion engines without catalysts. The immediately dangerous to life and health level is 1200ppm. So dilution of the exhaust before it gets to anyone's breathing zone is essential. Do what you can, and if there is no breeze at all be very careful.
The manufacturers of these thing should do more, but they don't. If you want to read a nightmare look at this on houseboat, which are essentially floating RV's.
Be safe out there,
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