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  • Model 35A
  • For Pumps Drawing Up to 14A
  • Non-Mercury Version
  • RUL 35A



Environmentally responsible "snap switch" design contains no mercury and has been tested to over 1 million use cycles. Year after year, the Rule-A-Matic is the switch of choice of boaters and commercial fishermen the world over. This has made the Rule-A-Matic the largest selling switch in the world.

Switch will turn the pump on when the water level reaches 2” (51mm) and will turn the pump off when the water level falls to 3/4” (19mm).
They can also be used to operate high water alarm systems.

• For use with pumps drawing up to 14 amps
• Removable base for easy cleaning and servicing
• 16 gauge tinned and gasked wire leads ensures superior corrosion resistance and no water entry
• No guard is available dor this switch
• 5"L x 1-3/4"W x 2-5/8"H

A-Matic Float Switch

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