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33-Series Diaphragm Water Pumps

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33-Series Diaphragm Water Pumps

$56.99

SEAFLO 33-Series Water Pressure Pump

Industry-Leading 4-Year Warranty!

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 9 vertical feet, and can run dry without damage. 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.

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Description

Features & Benefits

  • Positive displacement pump
  • Can run dry
  • Quiet operation
  • Demand pump
  • Low amp draw
  • Industry standard mount pattern
  • Built in check valve
  • Thermally protected
  • Easy connect fitting

Typical Applications

  • Agricultural Spraying
  • General Industrial
  • Automotive
  • Marine/RV
WATER PUMP
Type

Medium Duty 3 chamber positive
displacement diaphragm
pump, self priming, capable
of being run dry
Mode
demand
Liquid Temperature
140°F (60°C) Max.
Priming Capabilities
6 feet (1.8 m) suction lift
Max Pressure
45 PSI (3.1 bar)
Inlet/Outlet Ports
1/2″-14 MNPT
MOTOR
Duty Cycle
IntermittentLeads
16 AWG, 4.5″ long with
2-Pin connector/LeadsVoltage
12v/24v

 

  • Compact automatic demand water system pump
  • Built-in pressure switch automatically starts and stops pump when faucet is opened and closed
  • Capable of supplying multiple fixtures
  • Self-priming so pump can be located in a location higher than the water tank
  • Run-dry safe
  • Built-in thermal protection

 

Model Switch GPM/LPM PSI/BAR Max Draw
(A)
Valves Diaphragm Ports Voltage Wire Connections
SFDP1-030-045-33 Demand 3.0/11.6 45/3.1 8.0 EPDM Santoprene 1/2″-14 MNPT 12V 2-Pin/Leads
SFDP2-030-045-33 Demand 3.0/11.6 45/3.1 4.0 EPDM Santoprene 1/2″-14 MNPT 24V 2-Pin/Leads
SFDP1-028-045-33 Demand 2.8/11.6 45/3.1 6.0 EPDM Santoprene 1/2″-14 MNPT 12V 2-Pin/Leads
SFDP2-028-045-33 Demand 2.8/11.6 45/3.1 3.5 EPDM Santoprene 1/2″-14 MNPT 24V 2-Pin/Leads

Additional information

Weight 7 lbs
Dimensions 12 × 9 × 6 in
Voltage

12V DC, 24V DC

Flow

2.8 GPM, 3.0 GPM

PDF: 33 Series- Instructions

PDF: 33 Series- General Information

 

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