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Neptune Systems COR-15 Intelligent Return Pump
$679.95
Available on back-order
The COR-15 is an intelligent, energy-efficient return pump designed to integrate seamlessly with Neptune Apex Controllers via a 1LINK or EB832 connection — eliminating bulky power bricks and simplifying cable management.
Designed for both internal and external use, the COR-15 offers fully customisable control via Apex Fusion, delivering silent operation, advanced flow monitoring, and built-in safety features.
Note: Requires an Apex Controller with a free 1LINK port. Not compatible as a standalone pump.
Key Features
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Up to 5,678 L/h (1500 GPH) maximum flow rate
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No external power supply — powered via 1LINK
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Quiet operation with BLDC motor and Vector Control
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Compatible with Apex A2 and A3 Series Controllers
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IQ-Level Technology for minimum/maximum flow tuning
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Integrated temperature monitoring and safety slow-down
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Full control via Apex Fusion — including feed modes, alarms, and status alerts
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Operates internally or externally
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Includes multiple outlet adapters for plumbing flexibility
Intelligent Apex Control
The COR-15 is built from the ground up to integrate with the Apex ecosystem, offering:
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Real-time feedback on flow rate, temperature, and power draw
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Configurable feed routines and minimum flow limits
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Alerts for overheating, abnormal power consumption, or failure
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Optional safety slow-down if internal temperature rises above safe levels
Setup is plug-and-play. Once connected via a 1LINK port, configuration takes only a few steps in Apex Fusion.
IQ-Level Technology
Set custom minimum and maximum speed limits based on your aquarium’s plumbing. This feature:
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Prevents over-pressuring closed systems
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Enables fine control during feeding or maintenance
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Helps maintain stable, predictable water movement
Ultra Quiet Operation
Utilising Vector Control BLDC motor technology, the COR-15 delivers high performance with minimal vibration and sound. At full output, it consumes less than 50W, making it one of the most energy-efficient return pumps in its class.
Safety & Operational Feedback
Via Apex Fusion, you can:
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View live system vitals (temperature, flow, watts)
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Set alarms for irregular readings
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Automate responses to unsafe conditions
If the pump exceeds safe internal temperatures, it will automatically reduce its speed until normal levels are restored — allowing time for user intervention before any damage occurs.
Plumbing Compatibility
The COR-15 includes multiple output options:
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¾” slip fitting
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1” slip fitting
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1.25” union (slip to BSPP)
Designed for maximum compatibility with standard PVC plumbing sizes commonly used in reef tanks.
Specifications
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Pump Dimensions: 9.8 cm (W) x 12.4 cm (H) x 15.9 cm (D)
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Driver Dimensions: 7.6 cm (W) x 10.2 cm (H) x 2.5 cm (D)
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Max Flow Rate: 5,678 L/h (1500 GPH)
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Max Head Height: 4.3 m
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Input Size: 1″ slip PVC
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Output Size: ¾” slip PVC or 1¼” BSPP Union
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Power Consumption: <50W (via 1LINK at 24V DC)
What’s Included
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1x COR-15 Pump Body
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1x COR Driver Controller
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1x 1.25” Slip-to-BSPP PVC Union
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1x 1” Slip Fitting
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1x ¾” Slip Fitting
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1x 4 m 1LINK Cable
Requires a Neptune Apex Controller with an available 1LINK port. Not compatible with standard wall outlets.
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