- AKW-SP-8125Mini Power Pack Standard "UPW-SPC" attacks P-T 1/4 "G - Motor 12V DC - 1800W with relay and thermal protection - Pump 1P2,5cc - Check Valve - Adjustable pressure relief valve - Predisposition for Pressure Switch mounting 1/8" G - Pressure relief valve to set up - OFFSET 11 liter plastic tank. Neutral color - Horizontal mounting "OR" - Headset motor protection - SPIDER D.E. wiring - Push button UP-DOWN - Solenoid valves D.E. Cetop-3.