A toilet comprising a bowl sized to contain a fluid and a valve movable between an open position in which a liquid is delivered to the bowl and a closed position in which the liquid does not flow to the bowl. A sensor is operable to sense a liquid level within the bowl and an actuator is movable between a flush position and an idle position. A controller is operable to move the valve to the open position in response to movement of the actuator to the flush position and a liquid level within the bowl below a predetermined level.