Sludge Boss Septic Float Switch, Heavy-Duty Sewage Pump Switch for Viscous Liquids and Suspended Solids in Wastewater, Mercury-Free Self-Orienting Tank Float for Septic Pumps to 1/2 HP (20 Ft Cable) - Amazon.com
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Anti-Corrosion Plastic Magnetic Automatic Electric Float Ball Level Switch for Submersible Pumps Pump Station Water Level Control and Regulation - China Flotteur, Water Switch | Made-in-China.com
Everbilt Piggy Back Float Switch for Sump and Sewage Pumps EBFSWPB - The Home Depot
Citra-Float - Superior Industrial Products
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GLFILL 1/2" Float Ball Valve Shut Off for Automatic Water Bowl Tank Mount with Adjustable Arm for Ponds, Livestock Water Trough - Walmart.com
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Plastic Electric Automatic Mechanical Float Sensor Switch Water Level Control Regulator Floating Ball for Submersible Pumps and Pump Station - China Level Regulator, Float Switch | Made-in-China.com
Anchor Bouy and Retrieval Ring 15" Vinyl Boat Buoy Balls Round Boat Mooring Buoys, Marker and Anchor Float Ball Floating Pick Up for Rope for Sea & Lake - Walmart.com