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Johnson Pumps 102448803 CM Series Magnetic Drive Circulating Pump 12V 5.3 GPM

Manufacturer

Johnson Pumps

<h3>About Johnson Pump</h3><p>When it comes to keeping a vessel safe, dry, and running smoothly, few names carry more weight on the water than <strong>Johnson Pump</strong>. <a href="/11265-johnson-pumps">Johnson Pump</a> has spent more than eight decades engineering reliable marine pumping solutions, building a reputation that spans recreational boaters, commercial vessel operators, and OEM shipbuilders across the globe. As a marine division of SPX FLOW, the brand combines decades of application-specific expertise with a global manufacturing and engineering infrastructure that continually raises the bar for what a marine pump can do.</p><h3>A Heritage Built on Marine-Specific Engineering</h3><p>From its earliest days, Johnson Pump's philosophy has been straightforward: engineer products that perform when it matters most. That focus has driven the brand to develop a comprehensive portfolio covering virtually every onboard fluid management need — from bilge protection and engine cooling to freshwater delivery, ballast control, and wastewater handling. Rather than adapting land-based pump designs for marine use, Johnson Pump engineers solutions from the ground up for life on the water, incorporating corrosion-resistant materials, sealed components, and debris-tolerant designs suited to both freshwater lakes and demanding saltwater environments.</p><h3>Innovative Impeller Technology at the Core</h3><p>One of the defining characteristics of Johnson Pump products is their advanced impeller technology. The brand has earned widespread recognition for impeller designs that deliver dependable, efficient fluid movement while minimizing power draw — a critical consideration for boats where battery capacity is always at a premium. This commitment to low-power, high-reliability performance is why Johnson Pump products are trusted across leisure boats, workboats, and commercial vessels worldwide. Whether you need a compact solution for a day cruiser or a heavy-duty system for a commercial fishing fleet, the lineup scales to meet the demand.</p><h3>Key Product Categories</h3><p>Johnson Pump's product range addresses several of the most critical systems aboard any vessel. Their <a href="/11265-johnson-pumps-circulation-air-conditioning-pumps-200261">circulation and air conditioning pumps</a> are engineered to keep engine cooling circuits and HVAC systems operating at peak efficiency, even in demanding conditions. For bilge protection — one of the most essential safety systems on any boat — <a href="/11265-johnson-pumps-electric-bilge-pumps-200350">electric bilge pumps</a> from Johnson Pump offer automatic and manual options designed to respond quickly and reliably when water intrudes. Rounding out the lineup, Johnson Pump's <a href="/11265-johnson-pumps-water-pump-components-201276">water pump components</a> ensure that owners can maintain, repair, and optimize their pump systems over the long haul, with replacement impellers, seal kits, and service parts engineered to OEM specifications.</p><h3>Trusted Across the Marine Industry</h3><p>Johnson Pump serves both the OEM and aftermarket segments, meaning these pumps are as likely to be found factory-installed on a new vessel as they are on the service bench of a seasoned marine mechanic. That dual-market credibility speaks to the brand's consistency: a Johnson Pump installed at the factory and one purchased years later as a replacement are held to the same exacting standards. For boat owners who demand reliable, efficient, and long-lasting pumping solutions, Johnson Pump remains one of the most trusted names on the water.</p>

Part Number

102448803
09/14/2036 2:56 PM
Sale Price

$141.49

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Johnson Pump 102448803 CM30P7-1 is a heavy-duty, magnetically driven centrifugal circulation pump designed for continuous operation in marine, RV, and automotive applications. This compact magnetic driven centrifugal pump combines high flow rates with very low electric current consumption, making it an efficient solution for demanding circulation needs.

Key Features:

  • 5.3 GPM flow rate at 12V DC operation
  • Maximum system pressure of 2.5 bar (36 PSI)
  • 5/8-inch (16mm) hose port connections
  • Includes flexible power cord for easy installation
  • Seal-less magnetic drive design with brushed motor
  • Can withstand dry running for up to 30 minutes
  • IP67 rated weatherproof and dustproof enclosure
  • Compact dimensions: 6.97" L x 2.68" W x 3.35" H

Applications:

  • Circulation of water or antifreeze in heating systems for boats, cars, and RVs
  • Fresh water cooling circulation in vehicles
  • Live fish tank circulation and cooling systems
  • General-purpose circulation where self-priming is not required

Specifications:

  • Voltage: 12V DC
  • Flow Rate: 5.3 GPM (20 L/min)
  • Port Size: 5/8" (16mm)
  • Max Pressure: 36 PSI (2.5 bar)
  • Max Power: 27W
  • Weight: 1.3 lbs with bracket
  • Pump Body: PPA (Polyphthalamide)
  • Impeller: PPA
  • Shaft: Stainless Steel
  • Operating Temperature Range: -40°C to +100°C (-40°F to +212°F)

Compatible Fluids: Fresh water, ethylene glycol, and salt water. Can handle up to 60% glycol and water mixture. CAUTION: Do not pump gasoline, solvents, thinners, or highly concentrated or organic acids.

Installation Notes: CM Series pumps are normal-priming centrifugal pumps and should be mounted to ensure they are always flooded or primed before operation. These pumps should not be used with soiled water containing hard particles.

Products specifications

Description

CM30P7-1 w/Cord

Gallons Per Minute

5.3

Port Type

5/8"

Voltage

12

I'll be a repeat customer

Quick and easy. Did not find any hangars or brackets though. One mounting arm on muffler bent in shipping. Had to use torch to straighten it. May want to look at some protection for hanger arms or brackets that stick out. Otherwise ok.

Quick and easy to find the part I needed.

quick and easy

good price and placing an order was easy

Great customer service

The LOWEST price anywhere I could find locally and on the web. easy ordering and fast shipment, even arrived 3 days prior to what was expected.

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