SEAFLO 12V 500GPH Portable Inline Pump Diesel Seawater 5m Clips

Portable intermittent transfer pump with battery clips

The SEAFLO SFSP1-G500-02A is a 12V DC portable submersible/inline transfer pump rated at 500 GPH. This “A” configuration includes a five-metre electrical lead with battery clips for temporary transfer duties.

SEAFLO specifies this model for marine and RV use and confirms compatibility with seawater up to 80°C and diesel up to 40°C. It is intermittent-duty equipment, not a permanently installed fuel pump or continuous bilge pump.

Portable transfer features

• Can operate submerged or inline when correctly primed and installed.
• Nominal 500 GPH flow with 19 mm outlet.
• Five-metre lead with battery clips for temporary 12V connection.
• Published maximum head of 7 m at zero flow.
• Intermittent operating period of approximately 20 minutes.
• Suitable for seawater up to 80°C and diesel up to 40°C according to the manufacturer.
• Compact, portable construction for temporary tank, container or drainage transfer.

Technical specification

Compatibility and safety checks

• Use on a stable 12V DC source only and ensure clip polarity is correct before energising.
• For diesel transfer, follow applicable fuel-handling regulations and use only in a well-ventilated area away from flames, sparks and hot surfaces.
• Do not use with petrol/gasoline, aviation fuel, solvents or other volatile liquids.
• Do not attach or remove battery clips where flammable vapour may be present; the product is not described as an ATEX fuel-transfer pump.
• Use 19 mm compatible hose, keep the inlet clear and do not exceed the intermittent duty period.
• Installed flow is lower than 500 GPH once lift and hose resistance are added.
• Package: one pump with five-metre lead and battery clips. Hose, filter and additional fittings are separate.

Frequently asked questions

Can it pump diesel?

Yes, SEAFLO specifies diesel up to 40°C, but it must be used intermittently and with strict fuel-handling precautions.

Can it pump petrol?

No. Do not use this pump for petrol/gasoline or other volatile fuels.

Can it run continuously?

No. The manufacturer specifies intermittent use of about 20 minutes.

Does it deliver 500 GPH at 7 m height?

No. 500 GPH is the nominal open-flow rating; at maximum head the flow approaches zero.