Marine Boat Hydraulic Power Unit -12V Pump Solenoid Valves for Bennett V351HPU1 24316044Hydraulic Power Unit A compact powerhouse that creates hydraulic pressure to lower and raise the trim tabs. It employs two solenoid valves to direct the flow of fluid to the actuators. The solenoid valves lock tightly to secure the tabs in place. Strength to lower and hold even the largest tabs in place. Lexan cover protects electrohydraulic unit from occasional wash down and translucent reservoir allows fluid check at a glance. Part Number V351HPU1