The SLD 4000-7000 Adjustable Flow Pond Pump is a professional-grade, submersible pump made for continuous use in ponds, Pondless® Waterfalls, and other water feature applications. Solids-handling, asynchronous motor technology provides superior reliability, reduced maintenance, and a maximum flow rate of 7,127 gallons per hour. The design allows the pump to handle solids effectively, resulting in less maintenance and trouble-free performance. The included Smart Control Receiver includes an integrated control panel and makes it easy to control your pump with the WFX Utility™ Smart Control App, including flow adjustment and customized scheduling. An optional Universal Remote for Adjustable Flow Pumps (Item #45041) is available separately to allow wireless control without the use of a smartphone or tablet. The pump is also backed by a limited 3-year warranty, ensuring year after year of reliable use.