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Flojet 02100840A Double Bypass Duplex Diaphragm Demand Pump - 50 PSI Bypass, 2.1 GPM, 12 VDC

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10.97 lbs
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This is a two-diaphragm pump that withstands extended dry runs. Requires 12-Volt DC power connections. Handles pressure up to 50 PSI.
Prep 65

Prop 65


Technical Specifications

Voltage DC: 12
Inlet Port: 3/8 inch
Outlet Port: 3/8 inch
Max GPM: 2.1
Max PSI: 50

Product Description

Self-Priming Pump

The Flojet 02100840A is a double diaphragm pump includes an integrated 12 VDC electric motor. Pump body is made from polypropylene for corrosion and chemical resistance. Self-primes up to 7 feet of vertical lift. Features the ability to run dry without damaging the critical components of the pump and features a double bypass system. Duplex diaphragms enable dry run capabilities.


  • Voltage: 12 VDC
  • GPM: 2.1 GPM
  • Max. Pressure: 50 PSI
  • Ports: 3/8" FNPT
  • Material: Polypropylene
  • Diaphragm: Buna
  • Check Valve: Buna
  • Motor: Electric
  • Bypass: Double
  • Weight: 10.97 lbs.

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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