Model 37A
For Pumps Drawing up to 20A
Non-Mercury Version
 
Description
 
The switch to buy when it HAS to work. This heavy-duty bilge pump switch has long been a favorite with commercial fishermen, who can't afford to be left with a bilge pump that isn't working. Environmentally responsible "snap switch" design contains no mercury and has been tested to over 1 million use cycles. Designed for the toughest application, and backed by a two-year warranty, the Rule SuperSwitch will be ready to work when you need it most.

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 20 amps
• Multi-voltage - works with 12V, 24V and 32V systems
• Larger float for increased buoyancy
• Removable base for easy cleaning and servicing
• 14 gauge tinned and gasked wire leads ensures superior corrosion resistance and no water entry
• No guard available
• Now backed by a 5-year warranty