Mini power packs standard "UPW-SPC" P-T ports by 1 / 4 "G - 12V DC Motor - 1800W with relè and thermal protection - Pump 1P3, 1cc - check valve - pressure relief valve to be calibrated - plastic tank 5 lt. neutral color - Solenoid catrige valve N.C. 12V DC-type DL - Push buttons UP-DOWN with faston cable 4 mt - Horizontal assembled "OR".