WAYNE ESP25 Sump Pump System, 120 V, 1-1/2 in Outlet, 600 gph

12 V reinforced thermoplastic battery back-up system. Assembled in the US with foreign and domestic parts. Audible alarm and LED indicator lights informs the homeowner when the back-up system is running. Back-up sump pump has corrosion-resistant, sealed thermoplastic construction. Back-up pumps max flow is 3300 gph at 0 ft. Designed for easy installation.