Rule-Mate Bilge Pump - 1100GPH Automatic Volts:12V The resistance of the sending

The resistance of the sending units increase or decrease with the changes in pressure

32mm depth & a shaft diameter of 16mm

Enhance your boating experience with the Seat Slide & Swivel Top by RWB3960

- Includes a 31mm seat mounting spring for added convenience

They can with stand most automotive fluids including: fuel

Rule-Mate Bilge Pump - 1100GPH Automatic Volts:12V The resistance of the sendingIntroducing the Rule Mate Bilge Pump, the ultimate solution for keeping your boat dry and odor free. This fully automatic submersible pump features Rule's exclusive "Spongeability" technology, ensuring the driest bilge ever. With a built in water sensor, this pump activates automatically when water levels rise, efficiently pumping out water and reducing boat weight and fuel consumption. No float switch is needed, thanks to the innovative design that