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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,995
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In my experience, the AC should have a drain. Then there should be an overflow pan that drains in a very obvious place, like in front of a door or window so you can't miss it. Then yes, as a third line of defense there should be a float on a switch. I can't imagine it getting that far.
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