Shurflo 4158-163-E75 Aqua King II Fresh Water Pump 3.0 GPM

The Shurflo 4158-163-E75 Aqua King II is a premium fresh water pump designed specifically for marine applications with multiple fixtures. This advanced pump delivers consistent, home-quality shower pressure while maintaining the ability to operate smoothly at low flow conditions without excessive cycling.

Key Features:

• Built-in mechanical bypass function automatically varies flow rate to match any demand condition
• 3.0 gallons per minute flow rate with 55 PSI maximum pressure
• Smooth-running three-chamber diaphragm design for quiet operation
• Self-priming up to 6 feet vertical lift
• Thermal overload protection prevents motor damage
• Automatic pressure switch activation—runs only when water is flowing
• Corrosion-resistant materials ideal for marine environments
• 12V DC operation for standard marine electrical systems

The Aqua King II's intelligent bypass system eliminates the pressure surging and cycling problems common in standard demand pumps, providing smooth water flow whether you're running a single faucet or multiple fixtures simultaneously. This makes it ideal for larger boats, RVs, and marine vessels where consistent water pressure is essential for comfort and convenience.