2840 Flojet 4.5gpm High Volume Water System


  • Water system pump + pressure tank set
  • Available in 12V or 24V DC & 120V AC
  • Pump and tank installed on mounting base
  • Easy installation all-in-one design
  • For full-size residential water systems


Flojet’s 2840 series features a high-volume water pump with an integrated accumulator tank. The compact design with sturdy mounting base allows installation horizontally or vertically, with a variety of ports for easy installation in any water system. The 1.1 gallon accumulator tank reduces pump cycling and provides smooth water flow. The self-priming pump can run dry without harm.

The 2840-000 operates on 120V AC power, the 2840-100 uses 12V DC power, and the 2840-300 operates on 24V DC current.

Each provides 4.5 gallons per minute at up to 40 psi to a full sized residential water system, enough for a washer, two baths, kitchen, ice maker, and filtered water faucet. Perfect for large RVs, boats or homes with holding tank water systems.

Uses Quad snap-in port fittings on the inlet side (some included with pump). Pipe fittings for the outlet side after the accumulator tank. 1740 series inlet strainer recommended (one included with pump.)

24 volt pumps not typically in stock. Call for availability.

See 20409-043 for Service Kit. 2090-118 for replacement Pressure Switch Kit.

Additional information


120vac, 12vdc, 24vdc



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