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Water System Pumps & Parts

A pressure pump is an essential part of any household water system, that is not connected to a water utility service. Typically, a pressure pump will be used to pump water from your holding tank to the rest of your water system. Some water systems may require more than one pump (a deep well pump or a transfer pump, for filling the holding tank), while other systems may do well with just the pressure pump.

Properly designed systems will also include an inlet filter, to protect the pump from waterborne debris. We carry a variety of Flojet inlet strainers. The U.S. 40 Mesh strainer screen will block any particle larger than 0.0165 inches (420 microns) from entering the pump, and the transparent covers allow quick visual inspection of the filter screen. You can remove the cover to easily rinse any debris out, if it becomes clogged.

Most water pressure pumps should also be used with an accumulator/pressure tank. Unless you purchase a variable speed pump (like the Flojet R4525), an accumulator tank will help reduce pump cycling, and sudden changes in water pressure ("chatter" or "water hammering") in your pipes. An accumulator tank is installed after the pressure pump and matched to the pump's pressure switch settings, to hold a small reserve of pressurized water to supply a smooth, constant flow of water.

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  1. Flojet 20407-030 Check Valve Assembly

    Flojet 20407-030 Check Valve Assembly

    $28.82
    • Flojet replacement valve chamber assembly
    • For Flojet Quad pump models:
    • 4300-143, 4305-144, 2840 & 2880 series, 4325 series
    • See below for detailed model list
    Learn More
  2. 20404-009

    20404-009 Flojet 4306 Upper Housing

    $64.79
  3. Upper housing assembly
  4. Fits following Flojet models:
  5. 4306-500, 4306-501
  6. Learn More
  • 20404-003

    20404-003 Flojet Upper Housing Assy: 43XX, 28XX

    $64.79
    • Upper housing assembly
    • Fits following Flojet models:
    • 4305-144, 2840 series, 2880 series, 4325 series
    • See below for detailed model list
    Learn More
  • 2091-060 Flojet 60 psi Triplex Pressure Switch Kit

    2091-060 Flojet 60 psi Triplex Pressure Switch Kit

    $41.12
    • 60 psi pressure switch kit
    • Fits Flojet Triplex pumps
    • Includes instructions
    Learn More
  • Flojet 20401-000 4100 & 4300 series bearing cover

    Flojet 20401-000 Quad Pump Bearing Cover

    $24.51
    • Replacement Flojet pump bearing cover
    • For Flojet 4100 & 4300 series pumps
    Learn More
  • Jabsco 18916-1060 Presure Switch, 60psi

    Jabsco 18916-1060 Presure Switch, 60psi

    $27.92
  • 60 PSI
  • Learn More
  • Flojet 21000-407 Triplex Quick Connect Clips

    Flojet 21000-407 Triplex Clips

    $5.62
    • Replacement clips for Triplex pumps
    • Fits Flojet 3426, 3526, & 3626 Series pumps
    • Sold in pairs of two (2) clips
    Learn More
  • Flojet 20408-700 VersiJet Port Retainer Clips

    Flojet 20408-700 VersiJet Port Retainer Clips

    $12.14
    • Replacment port clips for Flojet VersiJet pumps
    • Fits 8400, 8500, 9600 series pumps
    Learn More
  • Flojet 20407-840 Check Valve Assembly

    Flojet 20407-840 Check Valve Assembly

    $46.02
    • Flojet replacement valve chamber assembly
    • Fits Flojet R8600 series pumps
    Learn More
  • Flojet VersiJet 70 PSI Pressure Switch Kit

    2090-770 Flojet VersiJet 70 psi Pressure Switch Kit

    $38.12
    • 70psi pressure switch kit
    • For Flojet R8600 Series
    Learn More
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