Neptune Systems

COR-15 Intelligent Return Pump (1500 GPH)

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$339.99 $339.99

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Connects to any Neptune 1Link or EB832!

The intelligent Neptune COR-15 Return Pump is easily the smartest pump available. Directly connecting to any Neptune EnergyBar832 or 1Link module, you no longer have bulky power adapters or wall warts to power the COR pumps saving you outlet space and making cord management easier to work with. COR pumps come standard with advanced control features that can be found by using the Apex Fusion Cloud Software. Add a COR pump to your system today to see the difference.

  • IQ-Level Technology
  • Energy Efficient
  • Extremely Quiet
  • 1Link Power Connection
  • Temperature Monitoring
  • Up to 1500 GPH
  • Internal or External
  • No Power Bricks


COR-15 Requires Apex Controller.

Don't have an Apex? Check out the Neptune Systems COR-20.


Advanced Control

The COR pumps were built from the ground up with control in mind. Have power over everything including the CORs output percentage, real-time operational feedback, compared feed routines, pump status can all be monitored and controlled with Apex Fusion. Once the COR pump is plugged into a 1Link port, and after a couple button presses you can set the pumps flow rate and feed mode settings. By enabling IQ-Level, you can set the min and max flow rates for your aquarium. 


Neptune Systems COR-15 Flow Chart

Up to 1500GPH

The powerful COR-15 can push up to 1500 gallons per hour with an incredibly efficient head-loss curve. Each pump comes with multiple different output fittings that let you adapt the COR pumps output to match your reef tanks current plumbing size. It is suggested to use the largest 1.25" Union that is included, but it is totally fine to use the other 0.75" or 1.0" adapters if needed. 


IQ-Level Technology

Because not all aquariums are alike, Neptune Systems included IQ-Level technology with every COR pump. Customize the minimum and maximum speed settings for your tanks plumbing to the ideal flow rate, but also the minimum flow rate for in tank flow and feed modes as well. 


Whisper Quiet

Neptune's COR uses the latest in Vector Control, BLDC motor technology. Driving the COR pump in a way that is super energy efficient using less than 50W at full power, and staying vibration and noise free. 


Operational Feedback

Know what is going on with your pump at all times. COR pumps come loaded with features that let you monitor your aquariums "heart" giving you the chance to fix something before it fails. Saltwater aquariums are notorious for creating calcium and other mineral build-up on pumps and there internal parts that can inhibit the flow but more importantly could cause damage to the pump. Neptune Fusion lets you monitor the pumps internal temperature along with its wattage draw and flow rate allowing you to set alarms and alerts if something goes out of their normal thresholds. If the temperature of the pump increases to unsafe levels, the COR will actually slow itself down until temperatures reach a safe level again, giving you time to react and maintain the pump.


Compatible with any Apex Controller (requires 1Link port)

Don't have a 1Link port on your Apex System? Check out the Neptune 1Link Module

Need a longer 1Link Cable? Check out the 1Link Extension Cable



Pump Dimensions - 3.875" W x 4.875" H x 6.250" D

Driver Dimensions - 3" W x 4" H x 1" D

Max Flow - 1500 GPH

Max Head - 14FT

Input Size - 1" Slip PVC

Output Size - 3/4" Slip PVC or 1 1/4" Slip to BSPP Union

Power Consumption - Less than 50W @ 120VAC


What's Included?

1x COR-15 Pump Body

1x COR Driver Controller

1x 1.25" PVC Union (slip to BSPP)

1x 1" Slip Fitting

1x 0.75" Slip Fitting

1x 4-meter (13-foot) 1Link Cable


Requires 1Link Port & Apex Controller for use. 

More Information
UPC 653078004342
Variable Speed Yes
Gallons Per Hour 1000 - 2000 GPH
Max Head Height 10 - 15 Feet
Control Type Digital DC Control (Controller Included)
Compatible with Controllers Apex
Output Size 0.75" (3/4 in.), 1.25" (1-1/4 in.)
Power Type DC
Power Consumption 50W
Power Cord Length 6 Feet
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Product Questions

Have 90 gal tank .fiji 24 sump. Apex pro. Is it better to go with core 15 or 20. Dont know if it is better to keep power supply independent on the pump instead of relying on power from the main control unit. Thanks in advance
Question by: David Spike on Nov 30, 2023, 11:03 PM
Hey there,
Thank you for reaching out to us. Both Cor pumps have IQ level technology so its up to the level of GPH return your looking for. 1500 from the Cor15 or 2000 from the Cor20. Please let me know if you need anything further.
Answer by: Thomas Wofle (BRS Staff) on Jan 18, 2024, 12:05 PM
I would recommend going with the 20. You will get better flow rate and better head room in the future with this one.
Answer by: Laura (BRS Staff) on Feb 6, 2024, 2:23 PM
Hi do you know if this pump will fit in the return chamber of the innovative marine 50 gallon lagoon AIO ?

Question by: Zach Mankowski on Mar 23, 2023, 9:37 PM
Thanks for the question. This pump will not fit in the return chamber of the 50 Lagoon as it is just a bit too wide to fit.
Answer by: Kyle Thomas (BRS Staff) on May 3, 2023, 3:38 PM
Will this work with an aqua controller or do you need an apex?
Question by: Code on Jan 28, 2018, 1:52 PM
You do need an Apex Controller with a 1Link port available for the COR-15. If you do not have those requirements, the COR-20 does not require an Apex, but additional features can be unlocked if you have one.
Answer by: Charlie on Jan 28, 2018, 7:42 PM
What is the input size and what is the output size for the Cor-15 ?
Question by: Mark Gray on Jan 5, 2018, 5:57 PM
Thanks for contacting BRS!
The input size is 1" and the output is 3/4". Have a great day!
Answer by: Josh Cuta on Jan 11, 2018, 12:39 PM