3GPM Freshwater System Pump
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WEST MARINE3GPM Freshwater System Pump


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Add extra coverage from the date of purchase beyond the manufacturer’s warranty.  View Details

Model # 13997960 | Mfg # 31395-3001UPC # 25282140923
3GPM Freshwater System Pump


4.5 Stars


3GPM Freshwater System Pump

Name Value
Amperage 4.4 Amps at 12 Volts DC
Activation Method Automatic
Capacity 3 Gallons per Minute
Diameter 1/2"
Dimensions 4 3/4" Height x 4 3/4" Width x 9" Length
Voltage 12 Volts DC
Warranty Details Three Years

Product Overview

Smooth, pulsation-free water flow that runs quietly.

Designed to meet the freshwater needs of most vessels with a water heater, shower, toilet and up to 2 faucets. The 3 chamber design and integrated bypass provides a consistent flow with minimal pulsation and pump cycling. Soft rubber mounts isolate pump vibration from mounting surface for quiet operation. A corrosion-resistant design and ability to run-dry extends service life. A screw-less diaphragm eliminates possible leak paths. Quick-connect fittings are included for ease of installation and to simplify routine maintenance.

Key Features

  • Medium volume on-demand freshwater pump
  • 3 chamber diaphragm design for smooth water flow
  • Built in bypass to eliminate pulsation and rapid cycling
  • Vibration absorbing mounts for quiet operation
  • Quick release snap-fit port fittings for easier installation
  • Corrosion resistant pump head and motor housing
  • Self-priming up to 7.8'
  • Dimensions: 4 3/4"H x 4 1/4W" x 9"L
 WARNING: This product can expose you to chemicals including Antimony oxide (Antimony trioxide), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.


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