How to Install a Battery-Operated Backup Sump Pump | This Old House
This Old House plumbing and heating expert Richard Trethewey shows how to keep a basement dry with a battery-operated backup sump pump—even when the power goes out. (See below for a shopping list and tools.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Shopping List for How to Install a Battery-Operated Backup Sump Pump: - 110-volt sump…






