PROFLO FATBOY 12V Diaphragm Pumps

Item # 224023

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Professional Grade Pumps

This Remco 12V Diaphragm Pump features a sealed motor, heavy 14-ga. 2-pin lead wires, Viton® valves and Santoprene™ diaphragm.

Demand-Style Pump: Better suited for longer duty cycles. Include a built-in pressure switch to automatically start and stop the pump at specific pressure settings as flow is needed.

Bypass-Style Pump Better for applications that would cause frequent starting and stopping of a demand-style pump. Continue to run regardless of the pressure in the system, but internally bypass flow if the discharge valve is closed.


  • Manufacturer #: 56-3321-1E1-82B
  • Maximum Pressure: 60 psi