Fluid handling – Ambient condition change responsive – Atmospheric
Patent
1993-08-30
1995-04-04
Chambers, A. Michael
Fluid handling
Ambient condition change responsive
Atmospheric
137312, 340620, 361178, F16K 1738
Patent
active
054028159
ABSTRACT:
A water supply control apparatus for a household plumbing system having a main water supply line includes a shut-off valve disposed in the main water supply line, electric motor means for actuating the shut-off valve and being operable to move between open and closed positions, at least one temperature sensor adapted to be located in a position of exposure to cold temperatures, at least one moisture sensor adapted to be located in a position of exposure to water leaking from household appliances, control means, connected to the electric motor means, the at least one temperature sensor and the at least one moisture sensor, for actuating the shut-off valve to the closed position when either a freeze condition is detected by the at least one temperature sensor or a water leak is detected by the at least one moisture sensor.
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Hoch, Jr. John R.
Moore Bruce A.
Chambers A. Michael
QP & H Manufacturing, Inc.
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