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Hot Item Seaflo Pressure Pump 51 New Series 24v 5.0 Gpm 60 Psi Collection [aVK9y8zi]

$22.99 $73.99 -69%

Seaflo Water Pressure Pump - 51 Series 24V 5.0 GPH / 18.9 LPH51 NEW Series DC Diaphragm Pump Voltage24VFlow Rate5.0 GPH / 18.9 LPHControl TypeSwitchWire Connector16 AWG x 23 cmPriming Capabilities1.8 m / 6'Max Draw8.0 AShut off pressure PSI BAR60 / 4

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Seaflo Water Pressure Pump - 51 Series 24V 5.0 GPH / 18.9 LPH

51 NEW Series DC Diaphragm Pump


 

Voltage 24V
Flow Rate 5.0 GPH / 18.9 LPH
Control Type Switch
Wire Connector 16 AWG x 23 cm
Priming Capabilities 1.8 m / 6'
Max Draw 8.0 A
Shut off pressure PSI BAR 60 / 4.2

Priming Capabilities 6 feet (1.8 m) suction lift

Max Recommended Temperature 140° F (60° C) Max.

Material EPDM(Valves) / Santoprene(Diaphragm)

Ports 1/2"-14 MNPT

The 51 NEW Series is our Heavy-Duty water pump. It provides high volume water flow with reduced pump cycling, thanks to the large five-chamber diaphragm. These models are designed to run on water systems with no accumulator tank necessary, and up to five fixtures! It is also suited for use with a holding tank water system, as may be found in a boat, RV or remote cabin. It provides up to 5.0 gallons per minute.

The 51-Series pumps are self-priming, and can run dry without damage, performance reliable and low current. This automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when the faucet is opened and closed.They are easy to install service and winterize.

The water pressure pump - 51 series: Can supply up to 4 fixtures. A 5-Chamber heavy duty diaphragm pump, on-demand long life pressure switch, precise pressure control and stable performance. Is self-priming and capable of being run dry. Is thermal overload protected and has marine grade blocked wiring. Very quiet operation with rubber mounting base for vibration & noise reduction. Has adjustable position mounting feet, Good heat dissipation and good sealing performance, waterproof and dustproof.

  • Can be used for fresh & salt water
  • Low starting pressure, reduces cycling
  • Ideal in water systems with no accumulator tank
  • Marine grade blocked wiring
  • 60°C (140°F) temperature limit
  • Shut-off pressure 60 PSI: 60 PSI±5 PSI (±0.3 bar)
  • Valves: EPDM Diaphragm: Santoprene Inlet/Outlet Ports: 1/2"-14 MNPT
  • Meets or exceeds RoHS, SGS and ISO standards
  • 4 Year Warranty

51EN.jpg


MORE FEATURES & BENEFITS

•  Precise pressure control and stable performance

•  Good sealing performance, waterproof and dustproof

•  Low starting pressure, reduces cycling

•  Good heat dissipation

•  Longer pump life

•  Can supply up to 4 fixtures

•  Run dry capable for normal workloads

•  Very quiet operation

•  On-demand only

•  Fresh water or salt water available

•  16 AWG, 9"(22.8 cm) long leads

•  2 Year Warranty

•  Meets or exceeds RoHS, SGS, and ISO standards


STANDARD PUMP CONFIGURATIONS

Model Voltage

Open Flow
?GPM/LPM?

Max Draw

Shut-off Pressure
?PSI/BAR)

SFDP1-040-060-51 NEW 12V 4.0 / 15.0 11.0A 60 / 4.2
SFDP2-040-060-51 NEW 24V 4.0 / 15.0 6.0A 60 / 4.2
SFDP1-050-060-51 NEW 12V 5.0 / 18.9 15.0A 60 / 4.2
SFDP2-050-060-51 NEW 24V 5.0 / 18.9 8.0A 60 / 4.2
SFDPA1-050-060-51 NEW 115V 5.0 / 18.9 2.56A 60 / 4.2
SFDPA2-050-060-51 NEW 220V 5.0 / 18.9 1.28A 60 / 4.2


51 12v.jpg3.0GPM 24v.jpg

3.0GPM / 60PSI

For additional info, click below:

Manual Download

PRESSURE

12V

24V

FLOW

CURRENT

FLOW

CURRENT

PSI

BAR

GPM

LPM

AMPS  

GPM

LPM

AMPS  

0 0 3.12 11.80 3.20 3.22 12.20 1.65
10 0.69 2.59 9.80 5.29 2.59 9.80 2.70
20 1.38 2.32 8.80 6.20 2.43 9.20 3.24
30 2.07 2.11 8.00 7.13 2.27 8.60 3.70
40 2.72 1.90 7.20 8.03 2.06 7.80 4.20
50 3.45 1.74 6.60 8.90

What Our Customers Say

December 27, 2025

Absolutely no complaints!

Performance is consistently smooth and reliable.

- Derek Wilson.

December 27, 2025

Absolutely no complaints!

The power and speed are impressive.

- Brandon J..

December 27, 2025

Absolutely no complaints!

The product is a clear winner in its field.

- Cora Martinez.

Write a Review

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