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What is the difference between a marine graded CO detector and a residential one? Does it matter? A residential CO detector costs $25 in my local hardware store, while the marine one in West Marine costs over $100! Is this a scam?
 

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They will both do the same thing, but the marine detector may last longer in a damp environment such as a boat usually has.
 

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I bought a First Alert fire detector, its not carbon monoxide, just smoke. Very cheap. I have it placed, not screwed in, near the nav station.

When I have a cooking accident it goes off and I chuck it in the forward cabin... So its a nice test!
 

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I purchased my explosive gas detector for $35 fro Amazon - works like a champ, even detected battery acid gases in the cabin when the regulator went out and the batteries were overcharging. I couldn't smell the acid fumes, but the detector did. Saved me a bundle, and maybe a nasty battery explosion. As for the difference, there is none. Same holds true with marina V/S automotive stereo systems - no difference whatsoever. Even down the coating on the PC boards to prevent corrosion - it was identical. However, yuo can go to the go to the JC Whitney catalog and find a great car AM/FM/CD stereo player for under $50. You won't find anything remotely close to that price in a marina catalog.

Cheers,

Gary :cool:
 

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One possible disadvantage to using non-marine products when available is that it might give an insurance company reason to deny a claim. Personally, I'd rather err on the side of safety and my insurance company and not take a chance. Your acceptable level of risk may differ.
 
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