CABLED minipowerpacks type "UPW-RE-SPIDER" with cartridge electric valve NC-12V - 12V DC motor -1800w with relais and thermic protection. 1P2,0PUMP - retain valve - adjustable max relief valve - 1/8"G pressure switch - 7Lts STEEL TANK (square flange) - buzzer 90dB - horizontal mounting - protection cap for the motor