Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1992-02-04
1994-08-02
Hofsass, Jeffery A.
Communications: electrical
Condition responsive indicating system
Specific condition
340604, 200 6105, G08B 2100
Patent
active
053349733
ABSTRACT:
A leak detection and shut-off apparatus for preventing damage from leaking hot water tanks. The invention features a unique three-layered sensor that completes encases the hot water tank thus detecting the occurrence of leaks anywhere on the tank. Circuitry controls the sensor that provides for accurate detection of even small amounts of moisture so that any potential leak problems can be remedied before a major spill occurs. The device also features a water shut off control mechanism plus audible alarm in the event a leak is detected. The unit is powered by connecting it to 110 house current. A 9 volt battery back-up is provided in case of power failures.
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Hofsass Jeffery A.
Ritchie William B.
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