The automatic float control valve, installed at the inlet of tank/reservoir, allows to keep a constant level of water. The body of the main valve is a globe valve, and thanks to the float linked to the pilot valve, this float control valve ensures to stop water filling at a predetermined level, while realizes water supplement when the float lowers. The valve can work in remote, perfect for all those applications where the water tank is not easily accessible. This float control valve has a high accuracy of level control, avoids the water hammer effect and it is easy to install and to maintain.