At Kohler, we believe a shower should transform you. The KOHLER® Real Rain diverter valve actuates the Deluge function of the Real Rain overhead shower panel. It delivers approximately 0.5 gallons of water in 8 seconds to simulate the energetic burst of a heavy summer rainstorm. Kohler® Diverter Valve, Series: Real Rain®, 1/2 in NPT Inlet Connection, 1/2 in NPT Outlet, Wall Mount, Forged Brass Body, 2-7/16 in D x 2-3/4 in H