Importance

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Abstract

A control for a waste water drain in the bottom of a bathtub which has an overflow port above the drain in the end wall of the bathtub has a vertical drain pipe having upper and lower ends. A first fluid port is located at the upper end of the vertical drain pipe and a second fluid port is located below the first fluid port for connection to a bathtub waste water drain. A valve element is slidably mounted in the vertical drain pipe adjacent the second port and is movable between a lower position to close the second port to fluid flow, and an upper position which will open the second fluid port to fluid flow. An electrical motor system is mounted adjacent the first port. An elongated linkage connects the valve element to the motor so that the rotation of the motor will raise and lower the valve element. The vertical drain pipe is length-adjustable.

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First Claim