Basement Watchdog Float Switch in the Water Pump Accessories department at Lowes.com
PHCC Pro-Series ST1050-DFC1, Sump Pump With Dual Float Switch and Standard Controller, ST Series, 1/2 HP, 115 Volts, 2 Discharge, 88 GPM Max, 32 ft Max Head, 10 ft Cord
Glentronics BWC1 Dual Float Switch with Controller - Walmart.com
Basement Watchdog Universal Dual Float Switch with Controller BWC1 - The Home Depot
Dual Float Level Switch DFC3 ultimate
THE BASEMENT WATCHDOG Model BWC1 Universal Replacement Sump Pump Float Switch - Sump Pump Accessories - Amazon.com
PHCC PRO SERIES, 110V AC, 10 ft Cord Lg, Float Switch - 38G748|DFC1 - Grainger
Basement Watchdog Universal Dual Float Switch with Controller BWC1 - The Home Depot
THE BASEMENT WATCHDOG Model BWT050 ½ HP 4,100 GPH at 0 ft. and 2,770 GPH at 10 ft. Cast Iron/Cast Aluminum Submersible Sump Pump with Caged Dual Micro Reed Float Switch -