Jabsco Run‑Dry Macerator Waste Pump 12 V (Model 18590‑2092) – 12 GPM Marine Toilet & Holding Tank Evacuation
Compact, corrosion‑resistant macerator pump with sealed motor and run‑dry protection—ideal for Ireland’s coastal and offshore sailing.
- Voltage & Current: 12 V DC, draws ~16 A (20 A fuse recommended)
- Flow Rate: Up to 12 GPM (45 LPM); self‑primes to 1.2 m (5 ft) wet lift, 1.2 m dry
- Ports: Inlet: 1½″ hose barb & 1½″ NPT; Outlet: 1″ hose barb (≈25 mm)
- Macerator Blades: Heavy‑duty 4‑blade stainless steel cutter, grinds solids to ≤ 3 mm (1⁄8″)
- Impeller & Wear Plate: Jabsco nitrile (oil‑resistant) impeller with stainless steel wear plate
- Motor Housing: Fully sealed permanent‑magnet motor, O‑ring sealed endbells, sealed bearings, powder‑coated corrosion‑resistant
- Protection: Built‑in run‑dry sensor shuts pump off automatically; ignition‑protected to USCG 183.410 & ISO 8846
- Duty Cycle: 15 min continuous—empties ~680 L holding tank in one operation
- Dimensions & Weight: 29 cm × 12 cm × 9 cm (11⅜″×4¾″×3⅝″); 2.3 kg (5 lb)
- Materials: Stainless steel bolts and cutter, nitrile impeller, powder coating for durability in saltwater
The Jabsco 18590‑2092 Run‑Dry Macerator is purpose‑designed for marine waste handling on boats sailing in Ireland—from marine heads to live‑wells and fish boxes. Its stainless‐steel chopper and corrosion‑resistant sealed motor ensure reliable performance in harsh maritime environments, while the run‑dry protection safeguards the unit against damage. Capable of self‑priming to 5 ft and fast tank evacuation at 12 GPM, this macerator delivers efficient, marine‑rated service for durable deck equipment and onboard sanitation systems.


