1986 - Volume #10, Issue #5, Page #30
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Smoke Detector Doubles As Sump Pump Alarm
Anyone who's ever experienced sump pump failure in their house, barn or septic system will appreciate the simplicity of this new combo alarm that's activated by either smoke or water.
Charles Braaten, Hutchinson, Minn., modified a standard smoke alarm by adding an additional electronic chip. Wires from this add-..........


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1986 - Volume #10, Issue #5