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Temperature sensitive water supply shut-off system

  • US 5,638,847 A
  • Filed: 02/02/1995
  • Issued: 06/17/1997
  • Est. Priority Date: 08/02/1990
  • Status: Expired due to Fees
First Claim
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1. A water supply control apparatus for an indoor plumbing system having a water supply line, comprising:

  • a shut-off valve disposed in the water supply line;

    electric motor means for actuating the shut-off valve and being operable between open and closed positions;

    a flow sensor coupled to the water supply line downstream of the shut-off valve, and being operable to sense a condition when water flows through the water supply conduit; and

    control means, receiving an input signal from the flow sensor, for actuating the shut-off valve to the closed position when flow through the water supply line is detected.

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