Flojet 4000 Series Demand Pump - 12V

Part No: R4300-504A

  • 3.1 Bar switch setting
  • 19.5 Lpm max flow
  • 12 Volt DC, 13.0 Amps
  • Santoprene diaphragm
  • Viton check valve
  • 3/4" hose barb ports
  • Self-priming, up to 2.4m
  • 54°C max fluid temperature
  • Integrated pressure/demand switch
  • Fitted with thermal overload
  • Polypropylene pump housing

Product Information

July '25 - No Longer in Production

Flojet are consolidating their legacy Quad Series pumps with the introduction of the new Versijet 4 Chamber pumps. To make the transition as simple as possible, Flojet have designed the new Versijet pumps with the same mounting footprint and port dimensions as the old Quad Series.

See Alternative Products below for the equivalent new Versijet pump or call our Sales Team for more information.

Associated Products

Pressure Switch

Part No:
02095-103

  • 45psi
  • 1/4" male thread

Flojet 1740 Series Inline Filter

Part No:
1740-010

  • 3/4" hose barb inlet
  • 19mm QC pump fitting

Flojet Quick Connect Port Kit

Part No:
20381-006

  • 19mm QC x 3/4" hose barb

Quad Diaphragm Kit

Part No:
20403-040

  • Santoprene

Valve Chamber Kit

Part No:
20407-020

  • Viton valves
  • Viton seals

Flojet Quick Connect Port Clips

Part No:
20408-000

  • For Quad 4000 series pumps

Alternative Products

Flojet Versijet Series 4-Chamber Demand Pump - 12V

Part No:
Q451F-168S-2P

  • 4.1 Bar switch setting
  • 17.1 Lpm max flow
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