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Macerator Pumps & Parts

Macerator Waste Pumps are used to empty waste holding tanks on RVs, boats, and similar vehicles. By breaking soft waste into smaller pieces, the waste can easily pass through a regular hose, making the job of emptying waste tanks much easier. By using a macerator pump, and flushing your tank with water periodically, you can virtually eliminate any clogging in your waste system.

Flojet/Jabsco 18500 series Macerator pumps grind sewage waste down to particles 1/8" diameter or less, allowing easy tank pumping through a standard 5/8" garden hose (or other similarly sized hose). These pumps will empty most recirculating toilets in under two minutes, and a standard 30 gallon holding tank in three minutes or less. Their self-priming design allows installation above the tank, if that is most convenient. (NOTE: Macerator pumps are designed ONLY to handle soft waste and tissue. Solid objects, or sanitary napkins, can clog or damage the pump, and void any applicable warranty.)

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  1. 18597-1000

    18597-1000 Flojet/Jabsco Macerator Pump Wearplate

    $11.32
    • Replacement macerator wear plate
    • Part #6 on exploded diagram
    • Fits Flojet/Jabsco 18590-2092, 18590-2094, 18555-000, 22130-2721, 18690-0000 Macerator Pumps.
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  2. Jabsco 22130-2721 RV Macerator, 120 vac

    Jabsco 22130-2721 120V RV/Marine Macerator

    $725.00
    • 120V AC pump, grinds ~12gpm to 1/8"
    • Self-priming: 5ft. lift when wet, 4ft. when dry
    • 1.5in. hose barb inlet, 1in. ID hose barb outlet
    • Can be mounted in any position
    • Designed for permanent installation
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  3. 18594-1000

    18594-1001 Flojet Macerator Inlet Housing 3" Flush Fitting

    $65.12
    • Replacement macerator housing
    • Part #4 on exploded diagram
    • Fits Flojet 18550 macerator pumps
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  4. Flojet 91010250 Macerator Rinse Hose Adapter

    Flojet 91010250 Macerator Rinse Hose Adapter

    $25.54
    • Macerator rinse hose adapter
    • Part #5 on exploded diagram
    • For Flojet 18555-000 portable macerator pump
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  5.  91010-253A Flojet Macerator Adapter O-ring Kit

    91010-253A Flojet Macerator Adapter O-ring Kit

    $10.64
  6. Replacement O rings for Flojet 18555-000 portable macerator
  7. Learn More
  • Flojet 18590-2094 Macerator 24 volt

    Jabsco 18590-2094 24V Marine Macerator Pump

    $183.54
    • 24V DC pump, grinds ~12gpm to 1/8"
    • Self-priming: 5ft. lift when wet, 4ft. when dry
    • 1.5in. hose barb inlet, 1in. ID hose barb outlet
    • Can be mounted in any position
    • Designed for permanent installation
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  • 37056-1000 Macerator Chopper Blade Kit

    37056-1000 Flojet/Jabsco Macerator 2-Blade Chopper Kit

    $16.64
    • Replacement macerator chopper blade kit
    • Includes chopper plate and lock nut
    • Fits most Flojet & Jabsco macerator pumps
    • See description below for detailed list of compatible pumps
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  • 17288-0010

    17288-0010 3.125" Flojet/Jabsco Macerator Pump Stud (pair)

    $24.84
    • Replacement 3.125" motor mount stud (2)
    • Part #13 on exploded diagram
    • Fits Flojet/Jabsco 18590 and 18550-series pumps
    • IMPORTANT: Measure your old studs to make sure they are 3.125"
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  • Flojet 74001-1853A Macerator Motor

    74001-1853A Flojet Macerator Pump Motor

    $176.88
    • Replacement motor for the Flojet 18555-000
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  • 18599-000

    18599-000 Flojet Portable Macerator Pump Adapter w/Gasket

    $56.42
    • Flojet Portable Macerator Pump adapter.
    • For 18555-000 portable macerator pump.
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