Basement Watchdog BW4000 Combination Primary & Backup Pump System Oil Base Includes brass barbs

Includes brass barbs

Extreme Speed Channel for fast chip removal

Small dimension fuse

Holds all standard 18MM/8 Pt Snap Off blades

Safe working load: 35 lbs

Basement Watchdog BW4000 Combination Primary & Backup Pump System Oil Base Includes brass barbsCombination Primary & Battery Backup Sump Pump System Includes a Basement Watchdog AC pump and a Basement Watchdog battery backup system. The Basement Watchdog Combination sump pump system is designed to provide both primary and backup pumping capabilities. The primary pump will operate as long as it is receiving AC power. If the power is interrupted, or more water is coming into the sump than the AC pump can handle, the backup sump pump will begin