Rule 500 GPH Bilge Pump

Rule Pumps 25DA, Non-Automatic 500 GPH fully submersible 12 volt DC bilge pump offers many design features while keeping size and cost to a minimum. Especially popular on smaller craft, they are unmatched in pumping power and longevity.

It features: 

Higher Flow - optimized impeller to provide greater flow at the same amperage.
Built-in Thermal Cut-Off (TCO) - provides added protection for pump and vessel.
Back Flow Prevention - reduces the amount of water left over in the bilge, reducing odor and helping keep your bilge cleaner.
Hidden Air Vents in the Body - helps prevent air locking in challenging plumbing installations and helps with the check valve.
Threaded Discharge - easier installation, easier maintenance.