33 Series Diaphragm Pump

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SEAFLO Series 33 Diaphragm Water Pump - Fittings

The SEAFLO Series 33 12V Diaphragm Water Pressure Pump, is a general-duty on-demand positive displacement pump. It excels in providing high-water flow, with moderate pressure and is suitable for all activities needing these requirements. The three chambers provide 11.6 litres of water per minute, and the unit is self-priming and can run dry without damage. It also features a built-in pressure switch, allowing the unit to start and stop when it detects a faucet being opened. 

Our SEAFLO pumps come with a 3-year warranty.


  • Positive Displacement Pump
  • Run-Dry capable
  • Quiet operation
  • Low amp draw
  • Industry mounting pattern
  • Thermally protected


  • 60°c temperature max
  • 1.8m (6ft) suction lift
  • 45PSI (3.1 bar)
  • 1/2"-14 MNPT Inlet/Outlet ports
  • Intermittent Duty
  • 16AWG, 1.3m (4.5ft) long leads with 2-pin connector
  • 12V