Prince RD523CCEA5A4B1 Directional Control Valve, Monoblock, Cast Iron, 2 Spool, 4 Ways, 3 Positions, Tandem, Pressure Release Detent 1 Position Detent, Spool "Out" Only, Spring Center, Spring Center, Lever Handle, 3000 psi, 25 gpm, In/Out: 3/4" NPT Female, Work 3/4" NPT Female