I’m on the fence considering a pair of pumps for my return and manifold. I’m considering a pair of COR-15s or a pair of Varios-6s. The word is that the CORs will be priced to compete with other pumps having similar flow. I currently have an APEX 2016 but will need to purchase a 1link module to run the second COR as the EB832 will only power one COR along with my single WAV. I’ve come up with some pros and cons for each pump. Let me know if I missed any or if any are not correct.
COR-15
Pros
It’s a Neptune Systems Product
Single wire for power and control
Fusion shows WATTs, RPM, and Temp
Neptune Systems Customer Service Team
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Cons
Need additional 1link module for a second COR-15
Depending on which components fail, one or both of the COR-15s stop pumping.
Varios-6
Pros
Will work if 2016 Apex fails - just need to disconnect from the Apex and use the VarioS Controller.
Additional 1link module not needed
Safety float switch included
Cons
Unknown level of support from Reef Octopus
Power cord and brick required for each pump
Less pump information available in Fusion
Additional cable required to connect the two Varios Controllers to the Apex
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