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Unread 07-24-2005, 11:58 AM   #140
Mathelo
Cooling Neophyte
 
Join Date: Jul 2005
Location: Connecticut
Posts: 63
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Or maybe a low cost pressure switch like this would be even simpler?

http://www.gemssensors.com/PDF/Catalog/PS31_0321.pdf

$17.00.
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