Key Performance Features

The Junior model focuses on efficiency and quiet operation for modest water needs.

• Smooth Flow Technology: Equipped with a 3-chamber diaphragm and internal bypass, this pump reduces rapid cycling. This allows for a more consistent flow at low demand without the need for an external accumulator tank.

• Dry-Run Capability: Engineered to run dry without damage, protecting the internal components if your freshwater tank accidentally runs empty.

• Corrosion Resistance: The motor is protected by a seamless e-coated shell and features sealed end bells to prevent moisture from entering the motor housing, which is critical for marine longevity.

• Quiet Operation: Designed with noise-reducing rubber feet and a balanced motor to minimize vibration and sound during use.

Technical Specifications

• Flow Rate: 2.0 GPM [7.6 LPM]

• Voltage: 12V DC

• Shut-Off Pressure: 30 PSI [2.06 Bar]

• Max Amps: 3.5 Amps

• Self-Priming: Up to 6 vertical feet [1.8m]

• Ports: 1/2"-14 NPSM-Male (Includes two 1/2" barb straight fittings)

Summary for the User

The Aqua King II Junior is an excellent choice for those seeking a reliable, low-draw pump for basic water needs. While it has a lower flow rate than the "Standard" or "Premium" versions, its 3.5A power consumption makes it very battery-friendly for smaller electrical systems.

Part Number: 4128-110-E04

Perfect for small boats, RVs, and mobile water applications, the Shurflo AQUA KING II Junior Fresh Water Pump provides consistent water pressure and dependable operation backed by Shurflo and Pentair quality.