Minipowerpack "UPW-STD" attacks by PT 1 / 4 "G - 24V DC Motor - 2200W REINFORCED - with relè and thermal protection - Pump 1P2, 5 (2.5 cm3/giro) - retain valve - Adjustable pressure relief valve - prepared for pressure switch 1 / 8 "G - metal tank 07 lt. (Fl.Quadra) - Horizontal installation "OR".