Quote:
Originally Posted by masraum
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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This is how we’ve done it the past 30 years.
Hugh, You can also get a clip on float switch, which is probably quicker and easier to install.