Shurflo by Pentair King II Premium 4.0 24VDC 4.0GPM 55PSI Fresh Water Pressure Pump w/Strainer Fittings

The King II Premium 4.0 Fresh Water Pressure Pump is engineered to meet the demanding needs of marine and boating enthusiasts. Whether you’re on a fishing vessel, sailboat, or motor yacht, this pump ensures a steady and reliable supply of fresh water for drinking, cooking, cleaning, and other essential onboard activities. Its robust construction and advanced features make it a top choice for maintaining water pressure in marine environments.

Exceptional Performance

The Aqua King II Premium 4.0 is built with a 4-chamber diaphragm pump that delivers up to 4.0 gallons per minute (GPM) at 55 pounds per square inch (PSI). This high flow rate ensures that you have ample water pressure for all your freshwater needs, from showering to powering appliances. The open flow design simplifies installation and maintenance, allowing for easy integration into your boat’s plumbing system.

Reliable and Durable Design

Operating on a 24VDC system, the King II Premium 4.0 is compatible with standard marine electrical setups. Its intermittent duty sealed motor is designed to withstand the harsh conditions found on the water, providing long-lasting performance. The ignition-protected and CE-rated motor ensures safety and compliance with marine standards, offering peace of mind during your voyages.

Advanced Control Features

Equipped with an adjustable demand switch and adjustable bypass, this pump offers precise control over water pressure and flow. These features allow you to optimize performance based on your specific needs, enhancing efficiency and reducing energy consumption. The pump’s 5.3 Amp power consumption makes it an energy-efficient choice for your marine electrical system.

Easy Installation and Maintenance

The pump comes with two 1/2” hose barb straight swivel fittings and a 50 mesh strainer, which connects directly to the pump inlet port. The 1/2” x 14 NPSM male threaded ports facilitate easy connections to your existing plumbing. The included fittings and strainer help prevent debris from entering the pump, ensuring clean and efficient operation.

Technical Specifications

Voltage	24 VDC
Flow Rate	Up to 4.0 GPM
Pressure	55 PSI
Motor Type	Intermittent Duty Sealed Motor
Connections	1/2” x 14 NPSM Male Threaded Ports
Power Consumption	5.3 Amps
Protection	Ignition Protected, CE Rated
Included Accessories	Two 1/2” Hose Barb Straight Swivel Fittings, 50 Mesh Strainer

Additional Resources

For detailed installation instructions and usage tips, please consult our Quick Guide (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.