Jabsco Macerator Waste Pump 18590-2092

Binnacle.com #:  24078
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Jabsco Macerator Waste Pump 18590-2092

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Self-priming with run-dry protection. 1 1/2" Inlet Port (38mm) Hose Barb and 1-1/2" N.P.T. (Male) Outlet - 1" (25mm) Hose Barb
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Binnacle.com:   #24078
Brand:  Jabsco Pumps
MFG Part#:   18590-2092
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Jabsco Macerator Waste Pump 18590-2092

A self-priming macerator pump with run-dry protection.


  • Impeller: Jabsco Nitrile compound
  • 4 Blade stainless steel Cutter reduces the particle size to 1/8" (3 mm) maximum.
  • Seal: Lip Type


  • Pump: Self-Priming Flexible Impeller with Stainless Steel Wearplate
  • Port(s): Inlet - 1-1/2" (38 mm) Hose Barb and 1-1/2" N.P.T. (Male) Outlet - 1" (25 mm) Hose Barb
  • Motor: Permanent Magnet Type, Fully Enclosed, with Stainless Steel Shaft Includes Run-Dry Protection Device that shuts-off pump
  • Powder-coated housing with sealed end-bells and bearings
  • Complies with USCG Regulation 183.410 and ISO 8846 MARINE for Ignition Protection
  • Weight: 5 lb (2.3 kg)

Waste Evacuation:

The Jabsco 18590 Series DC Macerator Pump is the ideal solution for emptying marine holding tanks when not in a discharge restricted area. Self-priming to 5' this pump will empty a typical 30 gallon (115 Liter) holding tank in less than 3 minutes. The duty cycle of the pump is 15 minutes continuous which means a 180 gallon (680 liters) can be emptied in a single operation

It is recommended that holding tanks be flushed with several gallons of water after each pump out. This will reduce the possibility of a continued build-up of sediment in the tank which could cause a potential blockage.

Fish Box & Livewell Tank Evacuation:

The Jabsco Macerator Pump is the ideal pump for the emptying of the Fish box and Livewell receptacles. Very often the Livewell tank will be above the waterline of the boat when this is the case gravity can be used to empty the Livewell tank. If not installed in this format then it is beneficial to use the Jabsco macerator pump for evacuation due to its self-priming capabilities and also it's grinding properties.

Fish boxes are typically mounted into the floor of the vessel and are very often below the waterline or only partially above the waterline. Again the Jabsco Macerator pump has the characteristics that lend themselves to this application. The bait residue particles of ice, fish scales and anything else that could potentially be found in the Fish-Box will be easily passed buy the Jabsco Macerator Pump, and the self-priming capabilities are perfect for fish box installations common to many of today's sports fishing boats.

  Jabsco 18590 Series Macerator Manual
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Q. Do you offer Free Shipping?
A. We have Free ground shipping via UPS to the Lower 48 States on most orders of $199 or more.

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A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on Binnacle.com qualify for the free shipping offer.

Q. Where do you ship from and What is the delivery time?
A. We ship from Halifax, Nova Scotia. Delivery time will be 3 - 7 business days. Northeast will be 3 - 4 days and Southwest and Pacific coast will be 7 business days. Most other areas are 5 business days.

Q. If my order does not qualify for free shipping what will it cost?
A. To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator.

Q. Will I be charged any sales taxes?
A. No. We are located in Canada and we are not required to charge US state sales taxes.

Q. Do I have to pay any customs charges or duties?
A. No. Orders under $800 do not receive any customs charges by US Customs. On Orders over $800 Binnacle.com pays the charges - You will not be charged anything for duties or customs brokerage fees.

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.
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