Product Description
JABSCO Diaphragm Waste Pump, 12VDC, 24VDC
Uses: Black Water, Grey Water Particulate, Live-well or Baitwell.
Model: JABSCO 50890-1000, 50890-1100
FEATURES:
- Up to 5 Gallons per minute
- Capable of extended dry running
- Self-Priming to 9 feet
- Ports 1.5" Barb Inlet and Outlet
- Rotating head to position ports for installation
- USCG 183.410
- ISO 8846 MARINE Ignition Protection
Jabsco Marine Plastic Waste Pumps are self-priming to 9 feet, rated for continuous duty up to 30 minutes and capable of extended dry running.
The 50890 Series replaces the older 59090 Series - the 50890 series offering increased lift, duty cycle and dry running vs the older 59090 Series.

MODEL - MOTOR INFORMATION:
50890-1000, 12 Volt, 8 AMP Draw, 10 AMP FUSE
50890-1100. 24 Volt, 2.5 AMP Draw, 5 AMP FUSE
Wiring - REQUIREMENTS:
12 VDC, 14 AWG, MAX LENGTH 15 FT - See DATASHEETS for full wiring instructions
24 VDC, 14 AWG, MAX LENGTH 30 FT - See DATASHEETS for full wiring instructions
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Wet End:
Plastic Housing, Diaphragm, Ports
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JABSCO by XYLEM REPAIR KIT NUMBERS:
- Service Kit - SK890 (Includes end cover - W/H Ports, Diaphragm, Joker Valve)
- Clamp Kit - 50886-1000
CROSS-REFERENCE MODEL(S) LIST:
Supersedes or Replacement for
- JA 50890-1000 Replaced JA 59090-0012, 12 VDC, 1.5" Ports (59090 Models Had higher flow but reduced lift)
- JA 50890-1100 Replaced JA 59090-0024, 24 VDC, 1.5" Ports (59090 Models Had higher flow but reduced lift)
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JABSCO PUMP DRAWINGS, CURVES, MANUAL & GENERAL INSTALLATION INFO
(PDF VIEW AND/OR DOWNLOAD)
- JABSCO by XYLEM 50890 SERIES USER GUIDE (View and/or Download)
- JABSCO by XYLEM 50890 SERIES QUICK BROCHURE (View and/or Download)
- JABSCO by XYLEM 59090 SERIES - OLD PUMP USER GUIDE (View and/or Download)