Seaflo 33 Series DC Diaphragm Pump 12V/24V 3.0GPM 45PSI (12 Volts)

#ad Latest Price: £79.16 (as of 11/09/2022 04:22 PST- Details) & FREE Shipping.

2 Year Warranty
On-demand use
Meets or exceeds RoHS, SGS, and ISO standards

Categories: ,


SEAFLO 33 Series DC Diaphragm Pump 12V 3.0-13.2LPM 17-60PSI

The 33-Series is our general-duty on-demand positive displacement pump. It provides reliable performance in high water flow, moderate pressure applications. This 3-chamber diaphragm pump provides up to 3.0 gallons per minute and is capable of self-priming up to 6vertical feet, and can run dry without damage. Serves 3 or more 1/2” (13 mm) outlets. This automatic demand water system pump has a built-in pressure switch, which automatically starts and stops when the faucet is opened and closed. They’re easy to install, service and winterize.


– Self priming

-16AWG,4.5"long Leads

– Capable of supplying1-2 fixtures


Marine,RV,Agricutural Spraying,General Industial,Filtration,Beverage Processing,Solar Water System.


  • Type: 3 Chamber positive displacement diaphragm pump, self priming, capable of being run dry
  • Control Type: Pressure switch
  • Max Recommended Temperature: 60° C(140° F)
  • Priming Capabilities: 6 feet (1.8 m) suction lift
  • Re-start Pressure: Shut-off Pressure 45 PSI : 35 PSI ±5 PSI (±0.3 bar)
  • Inlet/Outlet Ports: 1/2″-14 MNPT
  • Weight: 4.2 lbs (1.9 kg)


  • Leads: 16 AWG, 13″ (33 cm) long with 2-Pin connector / Leads
  • Duty Cycle: Intermittent
  • Max.Amp Draw: 8.0 A
  • Fuse: 12.0 A

2 Year Warranty
On-demand use
Meets or exceeds RoHS, SGS, and ISO standards
Adjustable pressure switch
Continuous Duty&Run dry safe

Additional information



Material type

Power Source

Batteries included?



Item model number

Package Dimensions

Date First Available

Is discontinued by manufacturer