2Bucks wrote:For diesel engined boaters the major danger is from other boats, either gasoline generators or long idling at startup. Diesel engines produce reletively low amounts of CO. Diesel boaters seldom if ever suffer from the "station wagon effect" which kills numerous gasoline engined boaters every year.
Do be aware that if you have propane appliances, heaters, stoves or furnaces you reintroduce a potential for CO poisoning on your own boat.
Our CO detector is in our stateroom and another is in the engine room. CO detectors will detect severely offgassing batteries also. It's called cross interference. If you have a battery gone bad causing the charger to continue to overcharge the batteries the CO detector will sound.
This chart https://www.indsci.com/services/trainin ... erference/ shows the other gasses that will set off a CO detector. Just follow the 100's diagonally across the chart.
And finally remember that the CO sensor has a lifespan. Generally 4-7 years is all they're good for before replacement is needed. Oversaturation will also kill a sensor. If you hold it up to the exhaust pipe to check it, you may as well just throw it away and buy another.
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