1996 - Volume #20, Issue #4, Page #36
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Smoke Detector Doubles As Water Detector
You can modifiy an ordinary smoke detector so that it doubles as a water detector to help prevent damage in flooded basements, well pits, laundry rooms, bathrooms, around water softeners, etc. Here's what you do: Sol-der the ends of two long pieces of insulated copper wires to the electrical contacts on the detector's ..........


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1996 - Volume #20, Issue #4