Mini power packs Standard "UPW-STD" - P-T 1/4 "G - Motor 48V DC - 2000W with rele and thermal protection - Pump 1P1, 6 - valve check - pressure relief valve adjustable - With pressure switch connection 1/8" G - pressure relief valve to be calibrated - steel black tank 2 lt - Support Central - Horizontal Mount "OR" - Headset motor protection