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

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

DP101107021

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Regular price£49.95
/
Tax included.

SEAFLO SFDP1-011-070-21

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.

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