Rule-A-Matic 35A Automatic Bilge Pump Switch

The world’s best selling brand of float switch!

The Rule-A-Matic 35A switch is one of the most popular choices of float switches among marine professionals worldwide.

The 35A model is for use with pumps up to 14 Amps.

The switch comes with a removable base for easy cleaning and servicing.

It is an environmentally friendly, mercury-free design.

Manual testing feature allows for easy operation check.

This switch is designed for use with fresh water and salt water. 

The switch must be mounted equal to or above the pump base for positive shut off.

It is recommended that you mount this float switch on a level platform, although it can be mounted on an angle up to 15 degrees.

Tested to over 1,000,000 cycles & ignition protected.

12-24-32 VDC

For peace of mind, you can rely on Rule switches.