Little Giant RVMS-10 115-Volt Piggyback Vertical Mechanical Float Switch for Pump up to 1/2 HP with 10-ft. Cord, Black, 599261 - Sump Pump Float Switch - Amazon.com
Stock Tank Mechanical Float Switch Kit | Water Pumps - Water Well - Water Truck - Plumbing
Mechanical Float Switch | ysi.com
Zoeller Pump Co 250V 5A Mechanical Float Switch with 25 ft. Cord - 10-1881 - Ferguson
Square D™ 9038CG36 Type C Mechanical Alternator Float Switch, 575 VAC | Steiner Electric Company