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Old 06-04-2015, 11:22 PM   #23
HopCar
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City: Miami Florida
Vessel Name: Possum
Vessel Model: Ellis 28
Join Date: Aug 2011
Posts: 5,307
I've been thinking of installing an alarm system. Aqualarm make good ones and they've been doing it for more than thirty years.

Yes they do make some sensors in both normally open and normally closed versions. I think Bertram as well as Hatteras used the normally closed system.
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Parks Masterson
Retired from Hopkins-Carter Marine Supply
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