Description
Shurflo AQUA KING II Pump 4.0 GPM | Boat Supply Store
For boat owners demanding consistent, high-pressure fresh water delivery, especially in multi-fixture systems, this pump provides a "just like home" shower experience. Its heavy-duty, sealed marine-grade motor operates at 12VDC and delivers a robust 4.0 GPM flow rate, capable of self-priming up to 6 feet. The integrated mechanical bypass ensures variable flow control and minimizes pump cycling at lower demand, even at reduced flow conditions.
Key Features
- Consistent "Just like home" shower pressure
- Variable flow control with built-in mechanical bypass
- Reliable performance with low cycling at lower flow conditions
- Durable heavy-duty motor for the marine environment
- Corrosion-resistant electro-coated seamless shell motor
- Dry run capability without sustaining damage
- Safe operation with ignition protection
- Efficient operation with thermal protection
Specifications
| Product Specifications | |
|---|---|
| Voltage | 12VDC |
| Flow Rate | 4.0 GPM |
| Switch Type | 4901 Replacement Sealed Switch |
| Motor Type | Sealed Motor |
| Motor Coating | Corrosion Resistant Electro Coated |
| Chamber Design | Independent Chambers |
| Check Valve | Built-In |
| Diaphragm | Co-Molded |
| Switch Adjustment | Adjustable |
| Bypass Adjustment | Adjustable |
| Priming Capability | Self-Priming up to 6 Feet |
| Dry Run Capability | Yes |
| Thermal Protection | Thermally Protected |
| Ignition Protection | Ignition Protected |
| Certifications | CE certified |
Who This Is For
Ideal for boat owners with multi-fixture fresh water systems who require consistent, high-pressure delivery, particularly for an enhanced shower experience comparable to home. This pump is suited for vessels where reliable and robust water pressure is a priority.
How It Compares
| Feature | Shurflo AQUA KING II Pump 4.0 GPM | Seaflo 21 |
|---|---|---|
| Flow Rate | 4.0 GPM | 4.0 GPM, 4.0 GPM |
| Voltage | 12V DC | 12V DC, 12V DC |
| Dry Run Capability | Yes | Yes, Yes |
| Adjustable Switch & Bypass | Yes | No, No |
| Motor Construction | Sealed Motor, Electro-Coated Seamless Shell | Standard Motor, Permanent Magnet DC Motor |
| Ignition Protected | Yes | Yes, Yes |
Common Concerns Answered
What are common issues reported by users?
Some users have noted occasional calibration inconsistencies with the pressure switch. Additionally, diaphragm wear has been reported over extended periods of heavy usage.
How does this pump compare to less expensive options?
While the initial investment may be higher, the premium features such as the sealed motor, electro-coated shell, and adjustable bypass justify the cost for those prioritizing superior water pressure and long-term durability in a marine environment.
What is the expected lifespan of the diaphragm?
The diaphragm is designed for durability, but like all wear components, its lifespan is influenced by the intensity and duration of use. Regular maintenance and proper system operation can help maximize its service life.
Frequently Asked Questions
What is the flow rate of the Shurflo AQUA KING II Premium Fresh Water Pump?
The Shurflo AQUA KING II Premium Fresh Water Pump provides a flow rate of 4.0 gallons per minute (GPM).
Can this pump run dry without damage?
Yes, this pump is designed with dry run capability and can operate without damage when the water supply is temporarily depleted.
Does this pump require an accumulator tank?
While an accumulator tank can further smooth out water delivery and reduce pump cycling, this pump's built-in mechanical bypass allows for variable flow and reduced cycling, potentially reducing the necessity of an accumulator in some installations.
What type of motor does this pump have?
This pump features a heavy-duty, sealed marine-grade motor with a corrosion-resistant electro-coated seamless shell.
Is this pump ignition protected?
Yes, the Shurflo AQUA KING II Premium Fresh Water Pump is ignition protected, making it suitable for installation in engine compartments or areas where flammable vapors may be present.
