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Jabsco 42630-3512-3C Par-Max Water System Pump 12V 1 GPM

Manufacturer

Jabsco

<h3>About Jabsco</h3><p>Few names carry as much weight in marine fluid handling as <strong>Jabsco</strong>. Founded in the 1930s in California, Jabsco revolutionized fluid handling by creating the first self-priming flexible-impeller pump — a design that set the standard for reliable pumping across marine, industrial, and sanitary applications. Now part of Xylem, Jabsco leads in marine and industrial pumps, toilets, washdown systems, and searchlights, still known for rugged, reliable gear built on its iconic impeller design.</p><p>Jabsco&apos;s flexible impeller design ensures self-priming, smooth flow, and reliable performance — ideal for demanding marine, industrial, and sanitary applications. Whether you&apos;re outfitting a weekend cruiser or a serious offshore vessel, Jabsco&apos;s engineering pedigree means you can count on every component to perform when conditions get tough.</p><h3>Marine Sanitation Done Right</h3><p>When it comes to onboard plumbing, Jabsco is the gold standard. As the world&apos;s leading manufacturer of small-craft marine toilets, Jabsco provides exceptional quality and value in onboard sanitation. Their lineup covers everything from time-tested manual models to fully electric systems. The Jabsco manual toilet is the world&apos;s best seller: clean to use, with a china bowl that won&apos;t scratch or discolour, designed for ease of service in restricted spaces.</p><p>For boaters who prefer a more hands-off approach, Jabsco electric marine toilets feature dual-function pumps that eliminate messing around with hand pumps and dry bowl valves — a push-button flush rinses the bowl while a high-capacity macerator and scavenger pump grind up waste and pump it out. The full range of <a href="/11525-jabsco-toilets-manual-electric-fixed-mount-parts-201081">Jabsco marine toilets, manual &amp; electric models, and replacement parts</a> makes it easy to find the right solution for any vessel and budget.</p><h3>Effortless Engine Oil Changes Onboard</h3><p>Changing engine oil on a boat can be one of the messiest jobs in marine maintenance — but Jabsco makes it straightforward. The Jabsco DIY Oil Change System provides a clean, efficient, and mess-free solution for changing engine oil in boats, RVs, generators, and inboard engines. The pump used in Jabsco&apos;s multi-engine oil change system is powerful enough to change oil in a typical V-8 engine in just minutes.</p><p>For permanent installations, the pump is designed to be installed near a vessel&apos;s engine and permanently plumbed to the engine&apos;s oil pan, and with the integral reversing switch, the flow direction can be changed to pump a measured amount of new oil back into the engine. Explore the full line of <a href="/11525-jabsco-oil-change-systems-pumps-200734">Jabsco oil change systems and pumps</a> to find the right fit for your engine setup.</p><h3>Why Boaters Trust Jabsco</h3><ul style="list-style:disc"><li>Decades of proven engineering rooted in flexible-impeller pump technology</li><li>The world&apos;s best-selling small-craft marine toilet lineup</li><li>Oil change solutions for both portable DIY use and permanent multi-engine installations</li><li>Part of Xylem, a global water technology leader</li><li>Extensive parts, rebuild kits, and conversion kits to support long-term ownership</li></ul>

Part Number

42630-3512-3C
09/12/2036 7:17 AM
Sale Price

$137.01

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Jabsco Par-Max 42630-3512-3C is a 12-volt, 1 GPM water system pump designed for reliable freshwater delivery in marine, RV, and mobile applications. This self-priming diaphragm pump features an integrated pressure switch that automatically activates on-demand when a faucet or fixture is opened, providing convenient hands-free operation.

Key Features:

  • Co-molded diaphragm technology ensures extended service life and exceptional durability
  • Efficient and quiet operation minimizes noise during use
  • Integrated sealed pressure switch eliminates the need for external controls
  • Self-priming design allows flexible installation locations above or below the water source
  • Can run dry without damage, protecting the pump during low water conditions
  • Quick connect ports simplify installation, servicing, and maintenance
  • Vibration dampening mounting feet reduce noise and movement
  • Built-in bypass module reduces pump cycling and delivers smoother, more consistent flow

The Par-Max series is engineered for demanding freshwater applications where reliability and quiet performance are essential. The 1 GPM flow rate is ideal for small to medium water systems including sinks, showers, and washdown applications. With its compact footprint and versatile mounting options, this pump installs easily in tight spaces while delivering consistent pressure and flow.

Products specifications

Amps

3.5

Barb Type

3/8"

PSI

35

Voltage

12

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Wanted size info to make sure of the fit. Ordered anyway since I can return it for free if it doesn't work.

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