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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. 20132-000

    Flojet 20132-000 Replacement Grommets

    • Four (4) replacement santoprene grommets
    • Used for mounting pump diaphragm
    • For Flojet pumps
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  2. Flojet 20401-000 4100 & 4300 series bearing cover

    Flojet 20401-000 Quad Pump Bearing Cover

    • Replacement Flojet pump bearing cover
    • For Flojet 4100 & 4300 series pumps
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  3. Flojet 21000-407 Triplex Quick Connect Clips

    Flojet 21000-407 Triplex Clips

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

    Flojet 20408-700 VersiJet Port Retainer Clips

    • Replacment port clips for Flojet VersiJet pumps
    • Fits 8400, 8500, 9600 series pumps
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  5. Flojet 20407-840 Check Valve Assembly

    Flojet 20407-840 Check Valve Assembly

    • Flojet replacement valve chamber assembly
    • Fits Flojet R8600 series pumps
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  6. 18948-0001

    Jabsco 18948-0001 Neoprene Cooling/Bilge Pump Impeller Kit

    • Replacement water pump impeller kit
    • 12-blade neoprene key-drive impeller
    • Brass center/shaft insert
    • For engine-cooling/bilge pump
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  7. 20717-100A

    Flojet 20717-100A Quad II Feet Replacement, Kit of 4

    • Replacement Flojet Mounting Feet
    • Set of 4 slide-on rubber feet
    • Fits Flojet Quad pumps
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  8. 20500-507

    Flojet 20500-507 Upper Housing, 2100 Series

    • Replacement Upper Housing
    • Polypropylene, 3/8" NPT Ports
    • Fits Flojet 2100-series Duplex pumps
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  9. 20408

    Flojet 20408 Quad Port Retainer Clips

    • Replacement Quad Port retainer clips
    • Part #8 on exploded diagram
    • Fits Flojet 2840, 4125, 4305, 440X, & 45X5-series pumps
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  10. 20407-034

    Flojet 20407-034 Triplex Hi-Flow Check Valve Assembly

    • Replacement check valve assembly
    • Part #3 on exploded diagram
    • Fits Flojet 3426, 3526 & 3626-series pumps
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