Jabsco 11860 Series Self-Priming Electro-Magnetic Clutch Pump, 1 in NPT, Bronze Body
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Overview
The Jabsco 11860-Series is a self-priming flexible impeller pump family with an electro-magnetic clutch for belt-driven marine utility service. It is built for installations where the pump is driven from the engine or another belt source, while the clutch allows the pump to be engaged electrically when water movement is needed.
This 11860-Series group uses 1 in. NPT internal ports, a bronze pump body, stainless steel shaft, carbon-ceramic face type seal, brass cam and insert, and shielded ball bearings. The pump weighs about 15 lb and is rated in the 11860 capacity table at 23.3 US GPM at 1750 rpm and 10 ft total head, making it a practical fit for higher-volume jobs than a small electric utility pump would normally handle.
The range includes 12 V and 24 V clutch options, with either two A-size belt grooves or one B-size belt groove depending on the selected configuration. Impeller material also varies by model, with nitrile on the standard listed versions and neoprene on the 11860-7001 variant.
Key features
- Self-priming flexible impeller pump with electro-magnetic clutch engagement for belt-driven marine systems.
- 1 in. NPT internal ports on the 11860-Series body for straightforward hose and plumbing adaptation.
- Bronze body, stainless steel shaft, brass cam and insert, carbon-ceramic face seal, and shielded ball bearings.
- 12 V clutch versions draw 4 A and use a 7 A fuse, while the 24 V version draws 2 A and uses a 4 A fuse.
- Drive options cover two A-size belt grooves or one B-size belt groove, matching the pulley layout selected by variant.
- Can be mounted in any position, with intake and discharge direction determined by shaft rotation.
- Suitable for bilge pumping, washdowns, bait tank circulation, and dockside utility pumping where a belt-driven pump is appropriate.
Variants
This product is offered in four 11860-Series configurations. The differences are the clutch voltage, belt groove arrangement, and impeller material.
The confirmed common points across these versions are the 1 in. NPT internal ports, bronze pump body, stainless steel shaft, carbon-ceramic face seal, brass cam and insert, shielded ball bearings, and approximately 15 lb weight.
- 11860-0005: 12 V clutch, 2-A belt groove configuration, and nitrile impeller. This version fits 12 V installations laid out for a two A-belt pulley arrangement.
- 11860-0045: 12 V clutch, 1-B belt groove configuration, and nitrile impeller. This version keeps the same 12 V clutch setup while using the single B-belt pulley arrangement.
- 11860-0006: 24 V clutch, 2-A belt groove configuration, and nitrile impeller. This version is for 24 V electrical systems using the two A-belt pulley arrangement.
- 11860-7001: 12 V clutch, 2-A belt groove configuration, and neoprene impeller. This version keeps the 12 V, two A-belt layout and changes the wetted impeller material to neoprene.
Installation and setup
The pump may be installed in any position, which helps when space is tight around an engine room, service compartment, or utility mounting point. Intake and discharge are set by the direction of shaft rotation, so the rotation should be checked before final hose routing.
Use the belt arrangement that matches the selected model: two A-size belts for the 2-A configurations or one B-size belt for the 1-B configuration. The pulley and belt area needs a shield, and the belts should not be overtightened during setup.
Electrical and clutch integration
The clutch is wired for manual on-off operation through a switch, with the fuse installed in the positive lead close to the power source. For the 12 V versions, the clutch circuit should be planned around a 4 A draw and 7 A fuse. For the 24 V version, plan around a 2 A draw and 4 A fuse.
The 12 V models include mechanical clutch engagement screws for use if electrical clutch operation is not available. That detail matters on boats where emergency pumping or backup operation is part of the system plan.
Use cases on board
This pump is a strong match for vessels that already have a suitable belt drive point and need a high-volume utility pump for bilge work, deck washdowns, bait tank circulation, or dockside water transfer. It belongs in installations where the plumbing, belt drive, electrical switching, and service access can be planned as a complete system.
Maintenance and care
All suction-side connections should be airtight so the pump can prime correctly. The pump should not be run dry for more than 30 seconds because lack of water flow can damage the impeller.
Routine service access should allow removal of the end cover and impeller. Nitrile 11860-Series models use service kit 90118-0003, while the 11860-7001 neoprene version uses impeller 17937-0001-P and service kit 90118-0001.
We ship all in-store (FL) stock orders the same day if placed before 3 PM EST, Monday through Friday. Orders placed after this time will ship the next business day. Orders fulfilled from other warehouses or manufacturers may not ship the same day. If an item is out of stock, we will notify you promptly.