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Flojet Fresh Water Pump

Pumps & Plumbingby Flojet

Flojet Fresh Water Pump

The Flojet fresh water pump is a dependable choice for boaters needing consistent onboard water pressure for sinks, showers, and washdown systems.

4.3

Keel & Cleat score

Build8.8
Value8.4
Ease of use8.4
  • Flow Rate3.5 GPM
  • Voltage12V DC
  • Max Pressure45 PSI

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Our verdict

The Flojet fresh water pump is a dependable choice for boaters needing consistent onboard water pressure for sinks, showers, and washdown systems. Its self-priming design and thermal protection make it a solid long-term investment despite the premium cost and occasional pressure switch quirks.

Why it made the list

  • Self-priming marine pump
  • Quiet reliable operation
  • Run-dry protection

Pros & cons

What we like

  • Reliable self-priming performance
  • Compact size fits tight boat compartments
  • Handles intermittent and continuous duty well
  • Easy to install with standard plumbing fittings
  • Durable construction withstands marine environment
  • Relatively quiet compared to other diaphragm pumps

Watch out for

  • Higher price point than generic water pumps
  • Occasional pressure switch sensitivity issues
  • Replacement parts can be hard to find locally
  • Flow rate drops with long hose runs
  • Mounting bracket feels flimsy for the price

Spec sheet

Flow Rate3.5 GPM
Voltage12V DC
Max Pressure45 PSI
Self-Priming Lift6 ft
Weight3.2 lbs

Features at a glance

  • Self-priming diaphragm design up to 6 ft lift
  • Run-dry capability without damage
  • Quiet operation with pulse dampening
  • Built-in thermal overload protection
  • Adjustable pressure switch for consistent flow
  • Corrosion-resistant marine-grade materials

Full review

The Flojet fresh water pump is a trusted name in marine plumbing systems, designed specifically for boaters who need dependable on-demand water delivery aboard their vessels. Built with a self-priming diaphragm design, this pump efficiently draws water from onboard tanks and delivers consistent pressure to galley faucets, showers, and washdown stations without the noise and fuss associated with lesser pumps. Boat owners appreciate its compact footprint, which allows for easy installation in tight bilge compartments or under-sink cabinets where space is always at a premium. The housing is constructed from durable, corrosion-resistant materials that stand up to the harsh marine environment, including exposure to saltwater spray and the constant vibration of life on the water.

What sets the Flojet fresh water pump apart in the boating and marine accessories category is its smart pressure-switch technology, which automatically activates the motor when a faucet is opened and shuts it off once flow stops, conserving battery power during extended trips at anchor or on long passages. This automatic cycling eliminates the need for manual switches and reduces wear on the system, extending the operational life of the pump itself. Many models feature a thermal overload protector that safeguards the motor from burning out if the pump runs dry, a common hazard when tanks run low or intake lines develop an air lock. The quiet operation of the diaphragm mechanism also means fewer disruptions belowdecks, a detail that serious cruisers and liveaboards come to value highly after a few seasons of use.

Installation flexibility is another hallmark of the Flojet fresh water pump, as it accommodates standard hose barb fittings and can be mounted horizontally or vertically depending on the vessel's layout, making it a favorite among boat builders and DIY refit enthusiasts alike. Its run-dry protection and easy-access strainer basket simplify routine maintenance, allowing owners to clear debris or sediment without disassembling the entire water system. Whether upgrading an older sailboat's manual pump setup or outfitting a new center console with a reliable freshwater supply for rinsing gear and cleaning catch, this pump delivers the steady, worry-free performance that boaters depend on. Its reputation within the marine accessories market stems from years of proven reliability, making it a go-to choice for anyone outfitting a vessel with a dependable pressurized water system.

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Flojet Fresh Water Pump

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