SEAFLO Pressure Pump 21 Series 12V 1.1 gpm 70 psi - 4Boats

Dispatched in 2-3 days

30 Day Return Policy

Low stock - 4 items left
Backordered, shipping soon

Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

£49.95

Tax included.

SEAFLO SFDP1-011-070-21

Name: SEAFLO 21 Series 12V Water Pressure Pump 1.1GPM 70PSI SFDP1-011-070-21 Boat RV
Price: 49.95 GBP
Rating: 5 (1 reviews)

21 Series Diaphragm Water Pressure Pump | 12V 1.1GPM 70PSI

The SEAFLO 21 Series is a compact, positive displacement diaphragm pump designed for reliable water pressure in demanding environments. Perfectly suited for low-volume applications, it provides a steady 1.1 gallons per minute (4.2 LPM) flow with a powerful 70 PSI shut-off pressure. Whether you are upgrading your boat's freshwater system, outfitting a campervan, or managing agricultural spraying, this pump delivers industrial-grade performance in a miniature footprint.

RELIABILITY: Engineered with a heavy-duty pressure switch and thermal overload protection. This pump can run dry without damage and features a self-priming design up to 4 feet.

Key Features

✔ On-Demand: Integrated pressure switch automatically starts/stops pump.
✔ Run-Dry Safe: Capable of running dry without internal damage.
✔ Quiet Operation: Designed for minimal vibration and noise.
✔ Self-Priming: Vertical suction lift up to 4 feet (1.2m).
✔ Ignition Protected: Safe for marine engine compartment installs.

Technical Specs

Model:	SFDP1-011-070-21
Voltage:	12V DC
Flow Rate:	1.1 GPM (4.2 LPM)
Pressure:	70 PSI (4.8 BAR)
Max Draw:	4.0 Amps
Port Size:	3/8" (10mm) Hose Barb
Diaphragm:	Santoprene
Valves:	EPDM

Application & Compatibility

Industry	Usage	Recommended For
Marine	Boats, Yachts, Baitwells	1-2 Faucets or Washdown
RV/Camping	Caravans, Campervans	Portable sinks & showers
Agricultural	Sprayers, Irrigation	Spot spraying & transfer
Industrial	Solar Water Systems	General liquid transfer

OEM / Industry Reference

Manufacturer Part Number	SFDP1-011-070-21
Internal SKU	DP101107021
Certifications	CE, RoHS, ISO 9001:2008

Questions & Answers

Is this a genuine original part?

This is a brand new, genuine SEAFLO manufactured part, supplied in original packaging with full manufacturer support.

How do I know if it is compatible?

Compare the SKU (SFDP1-011-070-21) and the port size (3/8" barb) with your current pump. This model is a standard replacement for most low-flow 12V diaphragm pumps.

Can this pump handle salt water?

Yes, the 21 series features corrosion-resistant materials (EPDM/Santoprene) making it suitable for both fresh and salt water applications.

Note: Please verify your power supply (12V DC) and plumbing connections before installation. Ensure a strainer is used to prevent debris from entering the pump head. Distributed by 4boats.co.uk.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

Why choose us

ITS ALL ABOUT THE QUALITY

We source the best products from the Top suppliers only. We’ve taken years of feedback and have doubled down on providing the best service.

TEAMWORK MAKES THE DREAMWORK

Our Suppliers and Partners are joining us in our commitment to challenge the way this industry operates. From product sourcing to fulfilling, they’re the best in the business.

Simple_Image_Play_Built_into_Routine_Cosmetics_TikTok_In-Feed_Ad_1080_x_1080_px_10 - 4Boats

YOU MATTER TO US.

All your orders are personally checked by a member of 4 BOATS and we make sure your orders are dispatched quickly so it arrives to your doorstep ASAP

SEAFLO 21 Series 12V Water Pressure Pump 1.1GPM 70PSI SFDP1-011-070-21 Boat RV