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
Dayton 10A173 No Mechanical Float Switch 115/230vac 15 PSI for sale online | eBay
MDI Heavy Duty Mechanical Float Switch – Normally Open – 30 Foot - (MDI HF2OU3000 TC-2 B) - TG Wastewater
Alderon Altra Control Switch with 30' Cord - 2001162 - Free Shipping
Get Field Flexibility with a Mechanical Float Switch | APG