Robert Manufacturing R400 Series Bob Red Brass Float Valve, 1/2" NPT Male Inlet x 1/2" NPT Male Outlet, 22 gpm at 85 psi Pressure $12.30 B008OMGG5E
Robert Manufacturing R400 Series Bob Red Brass Float Valve, 3/4" NPT Male Inlet x 3/4" NPT Male Outlet, 39.9 gpm at 85 psi Pressure $25.36 B008OMGGZ4
Robert Manufacturing R209 Series Bob Brass Adapter, 3/8" NPT Male x 1/4" NPT Female $5.10 B008OMK01K