Can the eFlux DC Pump be run outside of a sump? Current USA - Support October 31, 2016 23:38 Updated Follow Yes, the eFlux wave pumps can be ran externally. Related articles How do I connect my DC pumps to the LOOP Bluetooth controller? Are eFlux DC flow pumps capable of soft start? How much noise does the eFlux DC flow pump create? Can I use standard PVC fittings with the eFlux DC pumps? Comments 0 comments Article is closed for comments.