Wayne Backup Sump Pump 1750 GPH, 12 Volt, Model# ESP15
Protects your home against flood damage! Every homeowner with a sump pump should consider the possibility of a power failure, which is most likely to occur when its raining. SOUNDS AN ALARM when your AC-powered sump pump fails. This 12V standby system takes over automatically to help protect against flood damage when the power fails. Pump has a built-in check valve that keeps water from returning to sump basin. Battery reverse signal ensures correct installation. Automatic controls keep battery charged. 12 Volt battery not included. 1-year limited warranty. U.S.A.