Jabsco Fish Box Evacuation Pump - 24VDC 5GPM Diaphragm with 1.5" Fittings - 50900-1100
Manufacturer Part #: 50900-1100
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Jabsco Fish Box Evacuation Pump – 24VDC, 5 GPM Diaphragm with 1.5" Fittings – 50900-1100
The Jabsco Fish Box Evacuation Pump (50900-1100) is a heavy-duty 24-volt DC diaphragm pump specifically engineered to evacuate water, meltwater, and debris from fish boxes, fish wells, and refrigerated compartments. Designed for demanding marine environments, this pump delivers up to 5 gallons per minute (GPM) and features large 1.5-inch inlet and outlet fittings to handle water mixed with scales, slime, and soft solids without clogging.
Ideal for commercial fishing vessels, sportfishing boats, and offshore applications, this pump provides dependable evacuation performance where reliability is critical.
Purpose-Built for Fish Box Evacuation
Unlike standard bilge or utility pumps, the Jabsco fish box evacuation pump is designed to handle dirty water and organic debris commonly found in fish holds. The diaphragm pump design allows it to pass soft solids while maintaining consistent flow.
Powerful 5 GPM Diaphragm Performance
With a 5 GPM flow rate, this pump efficiently removes standing water and meltwater from fish boxes, helping maintain cleanliness, reduce odors, and prevent spoilage during extended trips.
24VDC Operation for Commercial Systems
Operating on 24-volt DC power, the 50900-1100 is ideal for commercial vessels, larger yachts, and workboats equipped with 24V electrical systems. It provides reliable performance without the need for voltage conversion.
Large 1.5" Hose Fittings
The integrated 1.5-inch inlet and outlet fittings support high-volume flow and reduce restriction, allowing the pump to evacuate water quickly even when debris is present. This makes it especially suitable for fish boxes and chilled holds.
Rugged Marine-Grade Construction
Built with corrosion-resistant materials and a sealed diaphragm assembly, this pump is designed to withstand saltwater exposure, vibration, and continuous marine use. Jabsco’s proven construction ensures long service life in harsh conditions.
Self-Priming & Flexible Installation
The diaphragm design provides self-priming capability, allowing the pump to be mounted above the waterline for flexible installation and easier servicing.
In the Box: 50900-1100
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(1) Jabsco Fish Box Pump: 24V DC heavy-duty motor and diaphragm assembly.
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(2) 1.5" (38mm) Straight Hose Barb Ports: Heavy-duty plastic fittings for large-diameter drainage.
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(1) Rubber Mounting Base: Pre-installed vibration-dampening feet.
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(1) Instruction Manual: Detailed plumbing diagrams and wiring specifications.
Key Features & Benefits
1. Superior Solids Handling
Centrifugal pumps and macerators can often be "choked" by fish scales or heavy slime. This pump uses a pulsating diaphragm action combined with massive non-choke valves. It literally "walks" debris through the pump head, making it nearly impossible to clog with standard organic fish waste.
2. Rotatable Pump Head
The pump head can be rotated 360° relative to the motor. This is a critical feature for cramped bilges, allowing you to align the 1.5" ports perfectly with your plumbing to avoid hose kinks that restrict flow.
3. Self-Priming & Run-Dry Safe
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Self-Priming: It can lift water up to 8 feet (2.4m), meaning you can mount the pump in a dry, accessible location well above the fish box or the waterline.
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Run-Dry Capability: If the fish box empties while you’re busy on deck, the pump can run dry for extended periods without damaging the diaphragm or motor.
4. 24V Efficiency
Designed for larger offshore vessels with 24-volt systems, this pump draws a very low 4.0 Amps, reducing the load on your battery banks during long days of fishing.
Technical Specifications
| Feature | Details |
| Model Number | 50900-1100 |
| Voltage | 24V DC |
| Flow Rate | 5.0 GPM (19 LPM) |
| Amp Draw | 4.0 Amps |
| Fuse Size | 7.0 Amp |
| Self-Priming | Up to 8 ft (2.4m) |
| Port Size | 1.5" (38mm) Hose Barb |
| Safety Standard | Ignition Protected (ISO 8846) |
Pro-Tip for Installation:
"Even though this pump is 'non-choke,' it is highly recommended to install the intake hose at the lowest point of the fish box. For the best performance, use smooth-walled sanitation hose rather than corrugated hose. Corrugated hoses trap scales and slime in the ridges, which can create odors over time that are difficult to wash out."
Ideal Applications
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Fish box and fish hold evacuation
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Refrigerated fish storage compartments
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Commercial fishing vessels
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Sportfishing boats
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Offshore and workboat applications
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Dirty water and debris-laden drainage
Why Choose Jabsco Fish Box Pumps
Jabsco is a trusted leader in marine fluid handling, known for rugged, application-specific pump designs. The 50900-1100 Fish Box Evacuation Pump delivers the reliability, debris tolerance, and performance required for professional fishing operations.
Keep fish holds clean and efficient with the Jabsco Fish Box Evacuation Pump – 24VDC, 5 GPM, 1.5" Fittings – 50900-1100, a purpose-built solution for demanding marine environments.
Jabsco Fish Box Evacuation Pump - 24VDC 5GPM Diaphragm with 1.5" Fittings - 50900-1100 is backordered and will ship as soon as it is back in stock.
Jabsco Fish Box Evacuation Pump - 24VDC 5GPM Diaphragm with 1.5&quo...
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