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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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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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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91010-253A Flojet Macerator Adapter O-ring Kit
$10.64- Replacement O rings for Flojet 18555-000 portable macerator
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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 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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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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37056-2000 Flojet/Jabsco Macerator 4-Blade Chopper Kit
$10.54- Replacement macerator chopper plate kit
- Part #3 on diagram for Flojet 18590 series pumps
- Part #5 on diagram for Jabsco 22130 series pumps
- Includes chopper blade and lock nut
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21000-378 Flojet Macerator Pump Switch Kit
$54.01- Replacement switch kit for portable macerator pump
- Not shown on diagram for Flojet 18555-000 macerator pump
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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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18596-1000 Flojet/Jabsco Macerator Wearplate Gasket Kit
$10.81- Replacement wear plate gasket (2)
- Part #7 on exploded diagram
- Fits Flojet/Jabsco 18590-2092, 18590-2094, 18555-000, 18690-0000 Series Macerator Pumps.