Superior Pump 92572 1/2 HP Thermoplastic Submersible Sump Pump with Vertical Float Switch

The Basement Watchdog Combo Preassembled Primary & Battery Backup Sump Pump System w/Monitoring Controller (CITE-33)

THE BASEMENT WATCHDOG Model DFK961 1/3 HP Combination Submersible Sump Pump with Cast Iron/Cast Aluminum Primary Sump Pump and a 24 Hour a Day Monitoring Emergency Battery Backup Sump Pump System

WAYNE CDU790-1/3 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch - Up to 4,600 Gallons Per Hour - Heavy Duty Basement Sump Pump, Black

Westinghouse - Sump Pump Battery Back Up Combo System, 1/2 HP with 12 Volt Battery Backup Capability - Integrated Vertical Float Switch - Up to 5,200 Gallons Per Hour - Heavy Duty Basement Sump Pump