The OASE ProMax Garden Automatic 4000 is always ready for the next use and automatically begins to pump the necessary amount of water when the tap or valve is opened. Thanks to its complete equipment with pre-filter. integrated check valve and dry-running protection, it ensures the perfect water supply for house and yard. The pump has a maximum flow rate of 4000 l/h and a maximum head of 45 m. The domestic water automat reliably supplies e.g. toilet. Washing machine or garden with service water from cistern. Rain tank or well. The ProMax Garden Automatic 4000 is particularly safe and reliable thanks to flow control and thermal overload protection. and the pressure switch on the back of the handle with 3 colored LEDs provides a clear and quick status display.