Rule-A-Matic® Plus™ Float Switch Bilge Pump Control SwitchRule-A-Matic® Plus™ Float SwitchSleek and rugged, the Rule-A-Matic Plus float switch has a strong, fully integrated, impact resistant cover, which protects against debris and jamming. 14 gauge highly abrasive resistant marine grade wire, and a built-in test feature. Designed for pumps drawing upt to 20 Amps Model 40A and 40FA now includes a 2 year warranty.Automated float switch for reliable bilge pump operation.Activates the pump automatically when water reaches a certain level.Rated for 20 amps and 32 volts.Durable construction for marine environments.Ensures proper water drainage and prevents flooding.