Optimize your water tank capabilities with the Topaz Water Tank Float Valve by Jobe Valves. This water tank control valve is a float operated valve for the automatic filling of various water storage tanks, troughs, and cisterns. The versatile design allows the trough valve to be mounted anywhere above or below the water line. This floating ball valve is constructed from premium material to withstand the harsh elements and wear and tear over the years. The float operates a small pilot valve which in turn operates the main diaphragm valve. The Topaz water tank valve is a mechanically operated floating valve that is a good choice for high flow rate systems. Whether you're using it for a water trough or livestock water tank the Topaz Water Tank Float Valve has you covered.