Standard mini powerpack "UPW-STD" 1/4"G P-T ports - 12V DC FAN Motor - 3000W D=125 with relay and thermal switch - Pump 1P3,1 - Check valve - Adjustable relief valve - Predisposition for connection of pressure switch 1/8"G - 20lt steel tank (fixing brackets on tank) - Horizontal mounting - MOTOR SHALL BE SUSTAINED)