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FloJet 3501-503 Triplex 12v DC Diaphragm Pump


The Flojet Triplex is available in various performance ranges, voltages and with a choice of diaphragm and check valve materials, making it easily adaptable to a diverse range of applications.

This pump runs at pressures up to 60 PSI quietly with a built-in pulsation eliminator to control unwanted cycling and noise.

The automatic operation allows turning the pump on and off when a tap/valve is opened or closed.

It can run dry and are designed with a sealed, water resistant motor housing making them corrosion resistant.

  • Compact automatic demand pump
  • Sealed pressure switch and motor
  • Self-priming; pump can be located above supply tank
  • Can run dry for extended periods of time without damage
  • On/Off rocker switch

Aussie's Observations about FloJet 3501-503 Triplex 12v DC Diaphragm Pump

Budget • Good • Better • Best • Superior

Suitable for:

A wide variety of agricultural and industrial purposes.

What we liked:

Flojet is the top brand for these kinds of diaphragm pumps. Don't be fooled by cheap copies. Full range of spare parts in stock at Creative Pumps and available quickly.

Less than ideal:

Nothing at all, Flojet make the highest quality diaphragm pumps.

$285.30 $317.00

Technical Specifications

Product Name FloJet 3501-503 Triplex 12v DC Diaphragm Pump
Max Flow L/Minutelitres per min7.6
Max Flow L/Hourlitres per hour456
PSI Setting60
Voltage12v DC
Full details - Click here for further specifications
Suitable uses Boats, caravans, small boom and spot spraying, foam marking, silage treatment, estate spraying, livestock and poultry cooling, dispensing, transfer of liquids etc.
Suitable liquids Water, most agricultural chemicals etc click here for material charts
Warranty 12 months National Warranty Aust wide
Liquid Temperature 54°C Maximum
Materials used Pump Head: Polypropylene   Diaphragms: Santoprene   Valves: Viton
Electrical Voltage: 12v DC   Amp draw: 8A   Watts: 96W   Power lead length: 100mm
On / Off switch Yes - Rocker switch
Pressure switch Cut out pressure: 60 PSI (4.1 bar)
Internal Bypass Yes
Self prime Up to 2.4m maximum
Suction Strainer Not included - click here for options
Inlet/Outlet Ports 3/8'' Female NPT thread
Connections Included None - click here for options
Fan cooled motor No
Dimensions Length: 227mm   Height: 93mm   Width: 91mm (mounting feet width 100mm)
Made in: China
Warranty 12 months
Spare Parts Click here for all spare parts
Accessories Click here for accessory index