UPW PT 1/4 "G - Motor 24V DC - 500W with rele and thermal protection - 1P1,3 pump - Check valve - adjustable max pressure valve - Aluminum tank 4 lt. - Mounting Vertical VR - Protective cap motor - mini jack 1/4 "G - N ° 2 Solenoid 24V - DE - PCYT (center" Y "with" P "close" a and B "the discharge into the" T ") - n° 2 Sandwich Modules with throttle unidirectional in branches "a" and "B" - outside Emergency hand pump GH-HPM20 and lever -completely WIRED.