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Rule Eco Bilge 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.

The ECO Switch is an ecologically sound automatic bilge pump control switch. Featuring a non-mercury design, the pump operates with simple air pressure. As water rises in the bilge, air rises in the air tube that is attached to the switch. This air pressure activates the switch that controls the pump. There are no moving internal parts, as all wiring is out of the water, which means that there are no submerged electrical connections at all. Offering complete reliability and outstanding performance, the Rule ECO Switch offers a viable alternative to traditional float switches.



  • Fits multiple pump sizes
  • Removable base for easy cleaning and servicing
  • Interchangeable mounting bases for replacement or upgrade (models 35A & 37A)
  • Marine-grade blocked wire
  • 2-year warranty (Rule-A-Matic and Rule-A-Matic Plus models)
  • 5-year warranty (Super Switch model)

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