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Jabsco 31395-4012-3A Par-Max 3.0 Water System Pump 12V 3 GPM

Manufacturer

Jabsco

<h3>Jabsco: Engineering Excellence in Marine Pumping Solutions</h3><p>Founded in 1938 when Jack Bibby designed a compact pump for his boat, Jabsco has evolved into a global leader in marine pumping technology. Now part of the Xylem family, Jabsco operates manufacturing facilities across the United States, United Kingdom, Germany, and China, delivering innovative fluid management solutions to boaters worldwide. The company produces more than half the world's output of flexible impeller pumps, setting industry standards for quality and reliability that marine professionals and recreational boaters depend on.</p><h3>Flexible Impeller Technology and Marine Pumping Innovation</h3><p>At the heart of Jabsco's product line is the flexible impeller pump, a design that revolutionized marine engine cooling when introduced in the 1930s. The flexible impeller pump is now used in cooling pumps on all small and medium sized marine engines. These pumps excel because they're self-priming, handle solids in suspension like sand and silt, and offer exceptional reliability in harsh saltwater environments. Whether you need dependable <a href="/11525-jabsco-engine-cooling-pumps-accessories-200368">engine cooling pumps</a> to regulate marine engine temperatures or robust <a href="/11525-jabsco-electric-bilge-pumps-200350">electric bilge pumps</a> to keep your vessel dry, Jabsco's proven impeller technology delivers consistent performance season after season.</p><h3>Comprehensive Marine System Solutions</h3><p>Jabsco manufactures specialized pumping solutions for virtually every onboard system. The company's <a href="/11525-jabsco-oil-change-systems-pumps-200734">oil change systems</a> simplify engine maintenance by extracting used oil through dipstick tubes, eliminating messy drain pan procedures. For anglers and fishing enthusiasts, Jabsco's <a href="/11525-jabsco-livewell-aerator-pumps-200624">livewell and aerator pumps</a> circulate fresh water to keep bait and catches alive during long days on the water. The product range also includes <a href="/11525-jabsco-blowers-200176">marine blowers</a> that provide essential ventilation for engine compartments and enclosed spaces, meeting safety standards while reducing heat and fume buildup.</p><h3>Why Marine Professionals Choose Jabsco</h3><p>Jabsco's history of pump industry leadership is a result of their dedication to continual development, reflected in the fact that their products are specified by the world's best-known boat builders and marine engine manufacturers. The brand's reputation stems from engineering pumps that withstand corrosion, handle debris, and maintain flow rates in demanding conditions. With marine-grade materials, rigorous quality control, and decades of field-proven performance, Jabsco equipment represents a smart investment for vessel owners who prioritize reliability. From compact day cruisers to commercial workboats, Jabsco pumps and systems keep marine operations running smoothly, making routine maintenance simpler and giving boaters confidence in their onboard systems.</p>

Part Number

31395-4012-3A
06/01/2036 4:55 AM
Sale Price

$135.08

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Jabsco Par-Max 3.0 Water System Pump delivers reliable on-demand freshwater pressure for marine, RV, and mobile applications. This 12-volt diaphragm pump provides 3 gallons per minute of flow with efficient, quiet operation and automatic pressure-activated switching.

Key Features:

  • Co-molded diaphragm technology ensures long service life and durability
  • Integrated sealed pressure switch activates pump automatically on demand
  • Built-in bypass module reduces cycling and provides smoother, steadier flow
  • Self-priming design allows flexible installation above or below tank level
  • Can run dry without damage to internal components
  • Quick-connect ports simplify installation, servicing, and maintenance
  • Vibration-dampening mounting feet minimize noise and movement
  • Includes integrated quick-connect strainer for inlet protection

The Par-Max 3.0 is ideal for freshwater systems in boats, RVs, campers, and other mobile water applications requiring dependable automatic pressurization. The self-priming capability and dry-run protection make this pump versatile and reliable for demanding installations.

Products specifications

Amps

6.2

Barb Type

1/2"

PSI

40

Voltage

12

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