Johnson Pump 500 GPH Auto Bilge Pump 3/4" Hose 12V Dura Port

The 500 GPH Ultima Combo Automatic Submersible Bilge Pump is a reliable 12V solution engineered to keep your vessel's bilge dry. Designed specifically for marine applications, this pump delivers automatic operation and robust performance to ensure your boat remains safe and seaworthy.

Key Features

• Pre-configured with the advanced Ultima Switch™ for seamless automatic operation
• Available in multiple capacities: 500 GPH, 750 GPH, 1000 GPH, and 1250 GPH to suit various vessel sizes
• Highly energy-efficient, minimizing power consumption without compromising performance
• Water-cooled motor extends service intervals, reducing maintenance frequency
• Compact, all-in-one motor/impeller unit featuring a durable stainless steel (SS2343) shaft
• Tool-free maintenance allows you to keep the pump casing attached to your boat and hoses
• Easy-to-install Dura-Port discharge ports on 500 GPH, 750 GPH, and 1000 GPH models prevent stress cracking from over-tightened hose clamps
• Includes both straight and 90° smooth elbow Dura-Port fittings, along with a removable check valve for versatile installation
• Compliant with international marine standards, ISO 8849
• Thermoplastic pump body ensures durability and longevity
• Lip seal shaft seal enhances reliability and reduces leaks
• Designed for 12V systems with a 16GA wire size and 3/4" hose connection
• Includes a durable Dura-Port connection for secure and efficient water discharge

Technical Specifications

Specification	Details
Capacity	3ft (0.9 m) head (13.6V/27.2V): 33 l/min - 525 GPH Straight discharge (13.6V/27.2V): 40 l/min - 630 GPH
Amperage	2.5 A
Fuse Size	5 A
Connection Size	3/4"
Dimensions	Length: 4.41" (112 mm) Width: 4.25" (108 mm) Height: 3.35" (85 mm)
Weight	14.4 oz.
Box Dimensions	4"H x 7"W x 7"L
Weight with Box	1 lbs
UPC	729321075039

Easy Installation & Maintenance

The Ultima Combo Bilge Pump is designed for hassle-free installation and maintenance. With no tools required for routine maintenance, you can easily keep the pump casing attached to your boat and hoses. The included Dura-Port discharge ports simplify the installation process, reducing the risk of stress cracking from over-tightened hose clamps. Additionally, the removable check valve allows for straightforward maintenance and ensures efficient water discharge.

Certifications

• CE-Approved
• Meets ISO 8849 marine standards

Additional Resources

For detailed information on installation and operation, please refer to the Owner's Manual (PDF).

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.