Apparatus for preventing freezing of interior water pipes

Details Apparatus for preventing freezing of interior water pipes Apparatus for preventing freezing of interior water pipes

1998-07-24

2000-02-08

Fox, John

Fluid handling

Freeze condition responsive safety systems

Low temperature responsive drains

137 59, E03B 710

Patent

active

060217987

ABSTRACT:
An apparatus for preventing freezing of interior water pipes. A thermal switch is attached to a hot and/or cold water supply pipe in a remote location that is prone to freezing in cold weather. The thermal switch electrically communicates with a power source and with a solenoid-actuated valve. The solenoid-actuated valve is located in a conduit communicating the outlet of the water pipe adjacent a water usage station with the water outlet of a fixture located at the water usage station. This conduit is separate from the existing supply line communicating the outlet of the water pipe with the fixture and does not, therefore, interfere with the normal operation of the fixture.

REFERENCES:
patent: 4360036 (1982-11-01), Shelton
patent: 4635668 (1987-01-01), Netter

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