Description
Jabsco Par-Max HD3 12V Water Pump | Boat Supply Store
Engineered for continuous operation in challenging marine environments, this heavy-duty diaphragm pump ensures consistent water delivery. Its cast aluminum endbells and robust motor provide superior pressure capability and extended service life, essential for onboard systems requiring reliable water flow up to 3 GPM at 40 PSI. The integrated, sealed pressure switch offers on-demand operation, and its 7ft dry self-priming capability simplifies installation in various configurations, making it suitable for demanding applications like extensive washdowns on offshore fishing vessels.
Key Features
- Superior Durability with cast aluminum components for increased pressure capability and longevity.
- Consistent Performance from a robust, heavy-duty motor designed for extended life.
- On-Demand Operation via an integrated, sealed pressure switch for immediate water delivery.
- Installation Versatility with 7ft dry self-priming capability.
- Dry Run Protection allowing operation without damage, enhancing system resilience.
- Reduced Cycling and smoother flow achieved through the integrated bypass module.
- Simplified Maintenance with quick connect ports for easy servicing.
- Reduced Vibration due to secure mounting feet designed for stability.
Specifications
| Product Specifications | |
|---|---|
| Voltage | 12V DC |
| Flow Rate | 3 GPM (11.3 LPM) |
| Pressure | 40 PSI (2.8 BAR) |
| Motor Type | Brushed permanent magnet TENV |
| Upper Housing Material | Glass fiber reinforced polypropylene |
| Diaphragm Material | Co-molded TPV |
| Check Valve Material | EPDM |
| Max Inlet Pressure | 30 PSI |
| Fluid Temperature Range | 32°F - 140°F (0°C - 60°C) |
| Self-Priming Capability | 7ft dry |
| Ingress Protection | IPX6 |
| Certifications | CE, ISO8846, RCM |
Who This Is For
Boaters and RV owners requiring a dependable, high-performance water pressure pump for onboard systems, particularly those with multiple outlets or demanding washdown needs. It is ideal for users who prioritize durability and consistent pressure delivery in challenging marine or mobile environments.
How It Compares
| Feature | Jabsco Par-Max HD3 12V Water Pump | Seaflo 21 |
|---|---|---|
| Flow Rate | 3 GPM | 3 GPM, 3.0 GPM |
| Pressure | 40 PSI | 55 PSI, 50 PSI |
| Voltage | 12V | 12V, 12V |
| Motor Type | Brushed, permanent magnet TENV | Diaphragm, Diaphragm |
| Housing Material (Lower) | Cast aluminum | Plastic, Plastic |
| Self-Priming | Yes (7ft min) | Yes, Yes |
| Run Dry Capability | Yes | Yes, Yes |
Common Concerns Answered
I've heard some pressure switch sensitivity issues with these pumps. Is that a common problem?
While occasional reports of pressure switch sensitivity requiring adjustment exist, the integrated, sealed design aims for reliable on-demand operation. The 'HD' designation signifies a focus on robustness for demanding applications, and proper installation can often mitigate such concerns.
This pump seems more expensive than other options. Is it worth the higher price point?
The Jabsco Par-Max HD3 is positioned as a premium, heavy-duty solution, justifying its price through superior build quality, including cast aluminum components and a robust motor, which translates to enhanced durability and longer service life compared to entry-level pumps.
How does the build quality of the HD models compare to standard pumps?
The 'HD' (Heavy Duty) designation signifies a significant upgrade in construction. The Par-Max HD3 features cast aluminum endbells and lower housing, a co-molded diaphragm, and a robust motor with a powder-coated shell, all engineered for superior pressure capability, extended operational life, and greater resilience in demanding marine environments.
Frequently Asked Questions
What is the maximum flow rate this pump can deliver?
The Jabsco Par-Max HD3 delivers a maximum flow rate of 3 GPM (Gallons Per Minute), which is equivalent to 11.3 LPM (Liters Per Minute).
What is the maximum pressure output of the Jabsco Par-Max HD3?
This pump is rated to deliver a maximum pressure of 40 PSI (Pounds per Square Inch), which is approximately 2.8 BAR.
Is the Jabsco Par-Max HD3 capable of self-priming, and if so, to what extent?
Yes, the Jabsco Par-Max HD3 is self-priming and can achieve priming from up to 7 feet dry, allowing for flexible installation configurations.
Can this water pressure pump operate dry without sustaining damage?
Yes, the Jabsco Par-Max HD3 is designed to run dry without damage, providing an added layer of protection for the system.
What type of motor powers the Jabsco Par-Max HD3, and what are its advantages?
The Jabsco Par-Max HD3 utilizes a brushed permanent magnet TENV (Thermally Protected, Enclosed, Not Ventilated) motor. This type of motor is known for its efficiency, durability, and quiet operation, contributing to the pump's overall reliability and performance.