Superior Pump 10 Ft. Vertical Pump Switch w/Tapered Float Ball - Parker's Building Supply
Vertical Float Switch - Narrow Pumping Range - Normally Closed - 10 Foot Cord with 120 VAC Piggyback Plug
Vertical Float Switch - Wide Pumping Range - Normally Closed - 10 Foot Cord with Skived Cord Ends
115v Vertical Float switch
uxcell A13041800ux0065 Dual Ball Water Level Sensor Vertical Liquid Float Switch Fish Tank Pool, 22 Cm: Electrical Outlet Switches: Amazon.com: Industrial & Scientific
Liquid Level Sensor, AC/DC 0~220V Stainless Steel Liquid Water Level Sensor Liquid Float Switch Tank Vertical Water Level Sensor for Pool Can 100mm: Amazon.com: Industrial & Scientific