Continuous Operation with Mains?Powered Models: Unlike battery?operated units, this Electric Hydraulic Water Pressure Test Pump in corded model connects directly to AC power, providing unlimited runtime for long?duration plumbing and heating leak tests Wide Adjustable Pressure Range: As a professional Water Leakage Test Pump for Plumbing, it supports adjustable pressure from 9kg up to 25kg, allowing you to match the exact testing requirement for water pipe line installation, PPR, PVC, or stainless steel pipes Clear Performance Specifications by Model: 9–20kg mains?powered models: power from 80W to 160W, flow from 6 L/min to 12 L/min.25kg in model: 165W, 540 L/h, 2850 RPM.All deliver stable hydraulic pressure for accurate leak detection. Lightweight & Portable with Full Accessories: Each hydraulic pressure test pump corded version includes a power adapter, foldable water bucket, discharge hose, and suction hose. Net weight ranges from 3.5kg to 3.6kg, making it easy to carry on job sites Reliable for Plumbing & Heating : for water pipe line installation and heating pressure checking, this electric hydraulic water pressure test pump offers consistent, repeatable results. Choose from 9kg, 13kg, 15kg, 20kg, or 25kg in models to fit your project scale