Neptune Systems COR-15 Intelligent Return Pump (1500 GPH)

Neptune Systems COR-15 Aquarium Return Pump: Silent, Smart, and Efficient Flow Rate

The Neptune Systems COR-15 Aquarium Return Pump isn’t just another pump—it’s a powerhouse of control and precision that connects directly to your Apex setup. Designed to deliver up to 1500 GPH, this return pump runs whisper-quiet, offers full Apex Fusion integration, and eliminates bulky power bricks with a sleek 1Link connection.

Neptune Systems COR-15 Aquarium Return Pump with Apex 1Link Connectivity

Built for serious reefers, the Neptune Systems COR-15 Aquarium Submersible Return Pump connects effortlessly to any Neptune 1Link port or EnergyBar 832. That means no extra adapters, no cable clutter—just clean installation and instant smart control.

• Fully compatible with all Apex controllers via 1Link

• No wall warts or external power bricks needed

• Controlled through Apex Fusion cloud interface

• Set flow rates, enable feed modes, and monitor performance in real-time

• Includes IQ-Level calibration to fine-tune your system’s flow

This pump doesn’t just move water—it communicates with your system to protect your livestock and alert you to issues before they become disasters.

Advanced Control with the Neptune Systems COR-15 Aquarium Return Pump

The COR-15 was engineered for high-end performance with full control at your fingertips. Through Apex Fusion, users can manage:

• Real-time flow adjustments (up to 1500 GPH)

• System alerts for wattage draw, flow inconsistencies, or overheating

• Min/max flow limits with IQ-Level logic

• Feed mode settings that reduce flow without manual unplugging

Just plug into a 1Link port, configure your flow, and let Apex do the rest.

Flow Output and Specs for the Neptune Systems COR-15 Return Pump

Let’s talk power. The COR-15 delivers high-volume flow without guzzling energy. Whether you’re running it inline or submerged, it maintains impressive output with smart monitoring.

Technical Specs:

• Max Flow Rate: 1500 GPH

• Max Head Pressure: 14 feet

• Power Draw: Less than 50W at 120V

• Input: 1" Slip PVC

• Output Options:

  • ¾" Slip PVC

  • 1" Slip PVC

  • 1¼" Slip to BSPP Union

Dimensions:

• Pump Body: 3.875" W x 4.875" H x 6.25" D

• Controller: 3" W x 4" H x 1" D

It comes with multiple fittings to ensure seamless integration into your system—whether you’re upgrading a nano tank return or building a larger system.

Neptune Systems  COR-15: Ultra-Quiet Operation with BLDC Motor Tech

Noise in your tank room? Not with this one. The COR-15 Return Pump uses vector control and brushless DC motor (BLDC) technology to stay silent, even at full blast. It hums along quietly, making it ideal for living room tanks or professional display systems.

Even at full power, this pump stays under 50 watts—making it both reef-safe and energy-efficient.

Smart Safety Features Built Into the Neptune Systems COR-15 Pump

• Temperature Monitoring: Pump slows down if internal temps get too hot

• Wattage Alerts: Stay notified if draw goes beyond normal range

• Flow Monitoring: Detects mineral buildup or blockages before problems arise

These intelligent safety features aren’t just smart—they’re proactive.

What's Included in the Box?

Everything you need to plug and pump is included:

• 1x COR-15 Pump

• 1x COR Driver (Controller)

• 1x 1.25" Union (Slip to BSPP)

• 1x 1" Slip Fitting

• 1x ¾" Slip Fitting

• 1x 13-foot 1Link Cable

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