View Full Version : rd3 230w?

04/17/2016, 07:44 PM
Can this pump be ran internally?

04/17/2016, 08:13 PM
Yep. It can be run internally and externally just like any of the RD3 flow pumps. I run two of the 230's on my system. Both are run externally but they are absolute beasts and dead silent. They are by far the best pump in their class!