F745X Diaphragm-Type Remote Control Float Valve The F745X diaphragm-type remote control float valve is a hydraulically operated valve with multiple functions. It is mainly installed at the water inlet of water tanks or elevated water towers. When the water level reaches the set height, the main valve is controlled by the float pilot valve to close the water inlet and stop water supply; when the water level drops, the main valve is controlled by the float pilot valve to open the water inlet and r