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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 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
  2. 20407-034

    Flojet 20407-034 Triplex Hi-Flow Check Valve Assembly

    $23.15

    • Replacement check valve assembly
    • Part #3 on exploded diagram
    • Fits Flojet 3426, 3526 & 3626-series pumps
    Learn More
  3. 20408

    Flojet 20408 Quad Port Retainer Clips

    $7.06

    • Replacement Quad Port retainer clips
    • Part #8 on exploded diagram
    • Fits Flojet 2840, 4125, 4305, 440X, & 45X5-series pumps
    Learn More
  4. 20500-507

    Flojet 20500-507 Upper Housing, 2100 Series

    $20.67

    • Replacement Upper Housing
    • Polypropylene, 3/8" NPT Ports
    • Fits Flojet 2100-series Duplex pumps
    Learn More
  5. 20717-100A

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

    $5.76

    • Replacement Flojet Mounting Feet
    • Set of 4 slide-on rubber feet
    • Fits Flojet Quad pumps
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  6. 18948-0001

    Jabsco 18948-0001 Neoprene Cooling/Bilge Pump Impeller Kit

    $40.24

    • Replacement water pump impeller kit
    • 12-blade neoprene key-drive impeller
    • Brass center/shaft insert
    • For engine-cooling/bilge pump
    Learn More
  7. 30573

    Flojet 30573 1L Water Pressure Accumulator Tank

    $77.66

    • 1 liter (0.26 gal) pressure tank
    • Reduces pump cycling
    • Max 125psi, set to 10psi
    • Eliminates water hammering
    • Has Flojet quick connect fittings
    Learn More
  8. 20406-045

    Flojet 20406-045 Triplex Pump Head, 3526 Series

    $71.80

    • Replacement pump head kit
    • Part #2 on exploded diagram (includes parts 1, 3 & 4)
    • Fits Flojet 3526-series pumps
    Learn More
  9. 20409-043

    Flojet 20409-043 2800/4000 Service Kit

    $63.02

    • Service and repair kit for the following models
    • R4525-743 and R4515-743
    • 4406 series, 4300 series, 2800 series
    • See below for detailed list
    Learn More
  10. 20419-001 Flojet 4306/4406 Lower Housing

    20419-001 Flojet 4306/4406 Lower Housing

    $67.19

    • Lower housing assembly
    • Fits following Flojet models:
    • 4306-500, 4306-501, 4406-043, 4406-143 and 4406-343
    Learn More

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