4-Pump XL Sea Chest

The 4 Pump XL Sea Chest, also known as a high-capacity marine pump box, is engineered for maximum water flow and system performance. With a four pump configuration and enlarged chamber, this system delivers extreme capacity and redundancy, making it ideal for the most demanding marine applications and larger vessels.

Constructed from marine-grade 316 stainless steel and fully powder coated inside and out, this pump box is built to handle harsh saltwater environments without compromise. The clear acrylic inspection lid allows for quick system checks, while the modular outlet configuration gives you full flexibility to customize your setup.

Performance
Flow Rate: Up to 17800 GPH total system capacity
Inlets: 2 × 2” NPSF threaded ports
Outlets: 4 × 1.5” NPS ball valves + optional 3/4” outlets
Usable Volume: ~11.60 gallons