Johnson Pumps 07903-00 Ultima Combo Automatic Bilge Pump 1000 GPH 12V

The Johnson Pumps 07903-00 Ultima Combo combines a high-performance cartridge bilge pump with an integrated Ultima electronic switch for fully automatic operation. This combo package delivers 1000 GPH pumping capacity with a replaceable cartridge design, making it ideal for boats requiring reliable automatic bilge water management.

Key Features:

• Equipped with Ultima electronic float switch featuring patented Mirus field effect detector cells for problem-free automatic operation
• Detector cells are totally sealed, never contact water, will not corrode, and are not affected by oil or foreign debris
• Activates at 2-inch water depth, deactivates at 3/4-inch depth, with 8-second delay to prevent false starts
• Compact all-in-one motor/impeller unit with no tools needed for maintenance
• Easy-to-install Dura-Port discharge ports eliminate stress cracking from over-tightened hose clamps; includes both straight and 90-degree smooth elbow plus removable check valve
• Water-cooled motor for long service intervals and extreme energy efficiency
• Meets international standard ISO 8849 marine

Specifications:

• Amperage: 3.2A at 12V
• Fuse size: 5A
• Connection: 3/4-inch hose
• Capacity: 1000 GPH (straight), 800 GPH at 3-foot head
• Made in USA

The cartridge design allows you to leave the pump housing attached to your boat and hoses while removing only the motor/impeller unit for service or replacement, simplifying maintenance and reducing installation time.