Standard unit "UPW-STD" P-T 1/4"G - 24V DC - 2000W motor with rele and thermal protection - Pump 1P2,6 - Check valve - Adjustable pressure relief valve - Provision for 1/8" pressure switch connection G - 10 lt steel tank (Square flange) painted with Rear Emergency Pump AL-HPS-12 - Horizontal mounting "OR" - Motor protection cap