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3. Kitchen and Bath > 44. Detect Flooding

Detect Flooding

This do-it-yourself sensor inexpensively, yet effectively, alerts you to water leaks in your home.

A few years ago, the drain in the floor of the walk-up entrance to my basement door became blocked, and water started to enter the house. I didn’t discover this problem until several hours later, after much of the basement carpet was soaked. After laboriously cleaning up the mess, I decided I needed to install a water intrusion alarm.

The sensor I use is simply a standard $5 battery-powered smoke detector. I soldered a pair of wires each to one of the connectors where the push-to-test button makes contact. In Figure 3-14, you can see the wires connected to the contacts, between the round buzzer and smoke detection unit, with the wires exiting via the mounting hole.


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