Full-flow ball valves and an Ominus # 4117-LL-FNPT 4-way master valve control allow the direction of oil and operation to be reversed. A by-pass ball valve allows oil flow to be reduced in all pumping conditions. Oil sampler valves installed in-line. Upper and lower hose reel connection headers provided w/ ball valve shut offs. EZ-Path headers allow selection of any suction point and discharge destination. Filtration or bypass control is provided via a 3-way valve.