Seaflo Fresh Water Pump 33 Series 12V – 45PSI/3.1Bar – 11.3 Litres per minute
The 33-Series is our general-duty on-demand positive displacement pump and provides reliable performance, the 3-chamber diaphragm pump provides up to 11.3LPM and is capable of self-priming up to 1.8m 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.
Easy to install, service and winterize.
Versatile Options
The SEAFLO 33-Series pump is not just limited to one function and can be used as:
- a Salt or freshwater washdown pump
- a potable water system pump
- a shower drain pump
- other liquid transfer applications.
This versatility makes it an essential component for any RV or marine setup, providing flexibility and functionality wherever you need it. The pump’s ability to handle different types of water and liquids ensures that it can meet the demands of various systems and environments.
Applications:
- Yacht/RV/caravan pressurized water system
- Sprayer fixtures (vehicle-mounted sprayers, electric sprayers)
- Cleaning machines, humidifier, water purification, medical apparatus
- Food beverage filling & liquid transfer
- Solar water system
- Any other pressurization system
Features:
- 3 chamber diaphragm pump
- Intermittent duty
- Industry standard mounting pattern
- Run dry capable for normal workloads
- Automatic: controlled by pressure switch
- Ignition protected
- Self priming
- Quiet Operation
| 33-Series Seaflo Pump | |
|---|---|
| SKU | SFDP1-030-045-33Â |
| Voltage | 12V |
| Open Flow (LPM) | 11.3 |
| Max Draw | 6.74A |
| PSI/Bar | 45 / 3.1 |

| Pump Specifications | |
|---|---|
| Type |
3 Chamber positive displacement diaphragm pump, self priming, capable of being run dry |
| Control Type | Pressure switch & Bypass control |
| Max Recommended Temperature | 60° C |
| Priming Capabilities | 1.8 m suction lift |
| Inlet/Outlet Ports | 1/2″ | 13mm – 14 MNPT |
| Weight | 1.80 kg |
| Motor Specifications | |
|---|---|
| Leads | 16 AWG, 11.5cm long with 2-Pin connector/leads |
| Duty Cycle | Intermittent |
| Max. Draw | 6.74 A |
| Fuse Amps | 18 A |

