Designed to be used in conjunction with a primary 120V sump pump, the Battery Back-Up Emergency Sump Pump System takes over automatically when the power fails. Operating off a 12 volt DC marine-grade battery, the 441 model features a high-output 12-volt pump, an advanced 5-stage charging system, easy-connect terminal block, automatic start-up, audible in-use alarm and light, and a mercury-free switch. Includes 12-volt charger, battery box and strap, control panel, and plumbing connections (tee, check valve and bushings). Adapts to 1-1/2″ or 1-1/4″ discharge connections.
- Input: 120Vac, 0.19 Aac, 60 Hz
- Output: 12Vdc, 900mA
- Automatic start-up
- 1-1/2″ or 1-1/4″ connections
- Runs up to 4 hours continuous or up to 30 hours intermittent operation
- 12-volt battery not included