Complete Control Valve, Model WS1CS (Up Flow), port size 1", metered, 3 modes of operation , fits on tank sizes up to 21" in diameter, Flow rate up to 27 gpm, 110V AC 60hz,   

Clack Valve ( 1" ) WS1CS Metered (Up Flow)

SKU: WS1CS(Up)-117364
$489.28Price