Apparatus for warning of the failure of a sump pump

Communications: electrical – Systems – Call station

Patent

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210 91, G08B 2100

Patent

active

039328538

ABSTRACT:
Apparatus for warning of the failure of a sump pump comprising an electrical alarm connected in an electric circuit, a switch for closing the circuit to activate the alarm, and a movable float positioned in the sump for actuating the switch when the water level in the sump reaches a height indicative of sump pump failure.

REFERENCES:
patent: 350279 (1886-10-01), Wickersham
patent: 2777030 (1957-01-01), MacGritt
patent: 2816973 (1957-12-01), Beck

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