This Johnson Pump - Electro-Magnetic Float Switch is a compact mechanical switch that offers a combination of reliable solid state electronics and a sealed float switch. Features: Voltage - 12V False start prevention No mercury High impact plastic and encapsulated electronics adds up to dependability Activates pump at 2" water level, deactivates pump at ¾" water level The switch is designed to attach to the SPX FLOW Johnson Pump Cartridge bilge pumps. When attaching to other SPX FLOW Johnson Pump bilge pumps, use the adapter provided. Product Catalog SPX Flow Product Catalog .catalog a{ text-decoration: none; color: #24a7bd; transition: ease, 0.3s; cursor: pointer; } .catalog a:hover{ color: #2276c5; } .catalog h3{ text-align: left; text-transform: uppercase; font-size: 16px; font-weight: 900; font-family: Jost, sans-serif; letter-spacing: 0.1em; padding: 40px 0px 20px; color: rgb(80, 81, 79); border-bottom: 1px solid rgb(225, 225, 225); margin-top: 20px; margin-bottom: 20px; cursor: default; }