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Ultimate Seaflo Pressure Pump 21 Series 24v 1.2 Gpm 35 Psi Perfect Gift [OIvmgqPN]

$19.99 $63.99 -69%

Seaflo Water Pressure Pump - 21 Series 24V 1.2 GPH / 4.3 LPH21 Series DC Diaphragm Pump12v water pump, mini water pump, diaphragm booster pumpVoltage 12V/24VOpen Flow 1.0-1.2GPM / 3.8-4.3LPMShut-off Pressure: 35-70PSI / 2.4-4.8BARPriming Capabilities

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Seaflo Water Pressure Pump - 21 Series 24V 1.2 GPH / 4.3 LPH

21 Series DC Diaphragm Pump

12v water pump, mini water pump, diaphragm booster pump

Voltage 12V/24V

Open Flow 1.0-1.2GPM / 3.8-4.3LPM

Shut-off Pressure: 35-70PSI / 2.4-4.8BAR

Priming Capabilities 4 feet (1.2 m) suction lift

Max Recommended Temperature 140° F /60° C Max.

Material: EPDM(Valves) / Santoprene(Diaphragm)

Ports 3/8" Barb (or Custom O-Ring)

The 21-Series Pumps are compact and designed for a wide range of applications, including liquid transfer, spraying, circulation, filtration and dispensing. The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute. Miniature multi-outlet water pressure pump serves 1 or 2 3/8” (10 mm) outlets at any one time. This compact automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when faucet is opened and closed.

21-EN.jpg


MORE FEATURES & BENEFITS

 

•  Capable of supplying 1-2 fixtures

•  Compact design

•  On-demand pressure switch

•  Adjustable pressure setting

•  Can run dry

•  Quiet operation

•  Ignition protected

•  Intermittent duty

•  Industry standard mounting pattern

•  18 AWG, 13" (33 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)

SFDP1-010-040-21 12V 1.0 / 3.8 4.0A 40 / 2.8
SFDP2-010-040-21 24V 1.0 / 3.8 2.0A 40 / 2.8
SFDP1-011-070-21 12V 1.1 / 4.0 4.0A 70 / 4.8
SFDP2-011-070-21 24V 1.1 / 4.0 2.0A 70 / 4.8
SFDP1-012-035-21 12V 1.2 / 4.3 4.0A 35 / 2.4
SFDP2-012-035-21 24V 1.2 / 4.3 2.0A 35 / 2.4


21_010-40-12V.jpg21_010-40-24V.jpg

1.0GPM / 40PSI

PRESSURE

12V

24V

FLOW

CURRENT

FLOW

CURRENT

PSI

BAR

GPM

LPM

AMPS  

GPM

LPM

AMPS  

0 0 1.09 4.14 1.56 1.15 4.36 0.78
10 0.69 0.84 3.28 1.89 0.94 3.56 1
20 1.38 0.75 2.84 2.25 0.82 3.12 1.19
30 2.07 0.69 2.60 2.6 0.75 2.84 1.37
40 2.72 0 0 2.96 0 0 1.51


21_011-70-12V.jpg21_011-70-24V.jpg

1.1GPM / 70PSI

What Our Customers Say

December 27, 2025

Absolutely no complaints!

This is a no-compromise product. It's fantastic in every respect.

- Paul J..

December 27, 2025

Absolutely no complaints!

The user experience has been nothing short of perfect.

- August R..

December 27, 2025

Absolutely no complaints!

The performance is smooth and the design is top-notch.

- Legacy Y..

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