Johnson Pumps 05903-00 Cartridge Bilge Pump with Electronic Float Switch 12V

The Johnson Pumps 05903-00 is a complete cartridge-style automatic bilge pump system designed for marine applications. This 12-volt pump features an integrated electronic float switch for hands-free operation, automatically activating when water is detected in the bilge.

Key Features:

• Replaceable and upgradeable motor cartridges for easy maintenance and future performance enhancements
• Impact, chemical, and fuel-resistant thermoplastic housing for durability in harsh marine environments
• 316 stainless steel shaft with corrosion-resistant hardware ensures long-lasting reliability
• Includes two externally threaded Duraports (straight and 90-degree) that virtually eliminate port failure
• Removable check valve prevents backflow and keeps water from returning to the bilge
• Simple installation with easy-to-clean design and serviceable components
• Electronic float switch provides automatic, reliable operation without manual intervention

This combo package includes everything needed for a complete automatic bilge pump installation. The cartridge design allows you to replace just the motor cartridge when needed, making maintenance quick and cost-effective. Backed by a 3-year manufacturer warranty.