Self Priming Capability: This replacement pump provides self priming functionality as specified in the title for waste evacuation applications. Macerator Function: Designed to function as a macerator waste pump, processing waste material for marine sanitation systems. Run Dry Protection: Includes run dry protection to prevent damage during temporary absence of fluid flow in marine environments. Marine Application: Intended for use on marine vessels including yachts and boats where waste evacuation systems are installed. Waste Evacuation Purpose: Functions specifically for waste evacuation tasks consistent with the operational role described in the title., Manufacturer: HJWNydmvx