Basepump CB1500-AVB Commercial Water Powered Backup Sump Pump

Click to see the rest of the Basepump water powered sump pump product line, or use product navigation at top-left of this page. Quick Summary Commercial water powered backup sump pump. Exceptional reliability, heavy-duty construction. Includes Atmospheric Vacuum Breaker backflow preventer. No battery to wear out or charger to monitor. Includes a built-in Atmospheric Vacuum Breaker backflow preventer, which has been approved by all the major backflow prevention authorities, to protect your incoming water source. Operates automatically. Independent of your main pump. Unique ceiling-mounted design means that, unlike other water-powered sump pumps, Basepump does not have to fight downward water pressure. As a result, it delivers dependable pumping power without undue strain on the pump. Free Shipping to the continental USA How Basepump Works When water rises above the normal high water level in your sump pit, for any reason, the Basepump float lifts. The float then opens a valve, sendin