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Flojet 04100505A Quad Diaphragm Pump - 45 PSI, 3.7 GPM, 12 VDC, 1/2 Inch Hose Barb Ports

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6.32 lbs
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A four diaphragm pump that is created with polypropylene to resist harsher chemicals. Hose barb connections measure 1 inch in diameter. Handles a maximum of 45 PSI and is compatible with 12 VDC power.
Prep 65

Prop 65


Technical Specifications

Max PSI: 45
Max GPM: 3.7
Voltage DC: 12
Inlet Port: 1/2 inch
Outlet Port: 1/2 inch

Product Description

3.7 GPH Electric Pump

This Flojet 04100505A is self-priming quadruple diaphragm pump delivers 3.7 GPM flow rate. Pump is made from polypropylene for chemical resistance. Utilizes hose barb ports allowing for quick and easy installation. Viton valve construction and diaphragms made with Santoprene.


  • Voltage: 12 VDC 
  • Flow Rate: 3.7 GPM  
  • Max PSI: 45  
  • Ports: 1/2" Hose Barb Snap-In Ports 
  • Construction: Polypropylene 
  • Valves: Viton  
  • Diaphragm: Santoprene 

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm (For more information go to

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