441 DS V8.qxd:Model 441 DS V2 10/11/11 9:28 AM Page 1 Model 441 NEW! Vertical switch for compact pumps Emergency Sump Pump System 12V Battery Operated Works automatically when power fails! Model 441 Includes: • High output 12 volt submersible pump • Automatic, mercury-free switch • Control panel • Battery box and strap (battery not included) • 12 volt charger • Tee, check valve and bushings for 1-1/2" or 1-1/4" connections Features: • Automatic start-up • Advanced 5-stage charging system • Audible in-use alarm and light NEW! Advanced 5-Stage Charging System

441 DS V8.qxd:Model 441 DS V2 10/11/11 9:28 AM Page 2 MODEL 441 12 VOLT EMERGENCY SUMP PUMP SYSTEM FEATURES: Charger Specifications: • Advanced Charging System outperforms “trickle” chargers with a 5-stage charging process. The system tests the battery and maintains a maximum charge without running the battery down or selfdischarging. A sophisticated charging algorithm continuously tests the charging process from start to finish. CHARGING STAGES: Stage One: Pre-Qualification Test - Yellow Light Emitting Diode (L.E.D.) flashes during this stage. Pre-Qualification Test applies three tests to the...