Jabsco Fishbox Discharge Pumps

Jabsco Fishbox Discharge Pumps: Built for the Mess a Day on the Water Leaves Behind

A fish box does more than hold the day's catch. On many sport fishing boats it doubles as a cooler for supplies, which means the water left in the bottom at the end of the trip is rarely clean. Bait residue, chunks of ice and fish scales all end up in the sump. Emptying that mixture takes a pump designed for debris, not just clear water. That is the niche Jabsco serves with its fish box evacuation pumps, and it is why they are worth a close look from anglers who want a cleaner, drier boat after every outing.

Diaphragm Design That Handles Debris

Jabsco's fish box evacuation pump is a self-priming diaphragm unit with 1-1/2" (38 mm) ports, sized to pass typical fish box debris such as bait residue, ice particles and fish scales. The pump moves up to 5 US gallons (19 liters) per minute and is paired with a DC motor. Fish boxes are commonly set into the deck and sit at or below the waterline, so self-priming matters. The pump can pull water up from a low point without needing to be flooded first.

Several design details separate it from a generic utility pump:

• Filter-less design: the large ports let debris pass through, so there is no strainer to clog or clean out.
• Dry-running capability: the pump tolerates running after the box is empty, so it will not be damaged if you leave it on a moment too long.
• 360-degree rotatable head: the head can be repositioned to suit tight hull layouts, so the pump can be mounted in almost any orientation.
• Compact, quiet construction: a simple layout and corrosion-resistant parts suit the marine environment.
• Marine compliance: the pump is listed as complying with USCG 183.410 and ISO 8846 Marine ignition protection requirements, which is important for any electrical device installed near fuel and fumes.

Choosing Between 12V and 24V

The fish box pump line is offered in both 12-volt and 24-volt versions, with a current draw of about 15 amps on the 12V unit. Match the voltage to your boat's electrical system. Plan for appropriately sized wiring and fusing, since a 15-amp draw is a meaningful load on a small run of wire. Because the head rotates, you can route the discharge hose toward an overboard through-hull fitting with fewer bends, which helps flow.

A Related Option: Sealed Macerator Pumps

Jabsco also makes sealed macerator pumps that are promoted for emptying fish boxes and livewell tanks as well as holding tanks. These use a stainless steel cutter to reduce solids and add run-dry protection. Some anglers prefer that approach when the contents include larger solids. If your livewell sits above the waterline, gravity drainage may handle part of the job on its own.

Why Jabsco in This Category

Jabsco has a long record in marine fluid handling. It is widely credited with pioneering the flexible impeller pump and is now part of Xylem. That background in rugged, self-priming marine pumps carries over into its fish box line, where reliability and tolerance for debris count more than raw flow numbers. For a deeper look at the manufacturer, visit the Jabsco brand page. To compare other options for emptying fish boxes and livewells, browse the full Fishbox Discharge Pumps category.

Whether you fish offshore or run a smaller center console, a dedicated fish box pump saves you from bailing by hand or tilting a heavy, slimy box. A purpose-built, debris-tolerant pump makes post-trip cleanup faster and keeps odors from building up in the bilge.