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Rule-A-Matic Plus Float Switch

Product Description

Bilge pumps are designed to remove water that reaches the bilge. Non-automatic pumps require a device to control the pump, engaging the pump when water enters the bilge, and then disengaging the pump when water has been removed. Xylem’s Rule brand offers a portfolio of bilge pump float switches that are designed to suit all boat requirements and pumps from 360 GPH, up to 4000 GPH.

Sleek and rugged, the Rule-A-Matic Plus bilge pump float switch has a strong, fully integrated, impact-resistant cover that protects against debris and jamming. It features 14-gauge, abrasive-resistant, marine-grade wire, and a built-in test feature. Designed for pumps drawing up to 20 amps, the Rule-A-Matic Plus also includes a 2-year warranty.


  • Fits multiple pump size
  • Removable base for easy cleaning and servicing
  • Interchangeable mounting bases for replacement or upgrade (models 35A & 37A Marine-grade blocked wire
  • Incorporates an impact resistant cover to combat against debris and jamming
  • Wire leads are located on top of the switch to keep them out of water
  • Two tiers of water slots and the foam filled float help prevent clogging and water-logging
  • Can be used for pumps up to 20 Amps
  • Complete with built in fuse holder

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