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Rule-Mate bilge pumps provide ultimate pumping performance, which helps keep your bilge clear of nuisance water, building on the genuine Rule design. 

Rule-Mate bilge pumps operate using an internal level sensor.

Bilges are not always clean and free from debris. If the Rule-Mate level sensor becomes fouled by debris or contaminated water, its unique back-up feature will prevent the pump from entering a run-on condition, protecting the battery while maintaining automatic operation. 

Product Features:

• Higher Flow - optimized impeller to provide up to 10% more flow at the same amperage as previous models with capacities from 500-2000 GPH (1893-7571 LPH)

• Auto Sense Intelligence - integral water level sensor controls the pump automatically 

• Back Up Feature - prevents continuous running if sensor is fouled by debris, pump reverts to 2.5 minute cycle mode

• Smaller Footprint - 2/3 the size of previous models (500-1100 GPH models only)

• 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 door and helping keep your bilge cleaner (500-1100 GPH models only)

• Hidden Air Vents in the Body - helps prevent air locking in challenging plumbing installations and helps with the check valve ( 500-1100 GPH models only)

• Threaded Discharge - easier installation, easier maintenance