SCWDs actually work very well on returns. They are great way to create more alternating random flow.They do restrict flow considerably so if used one should calculate that into the head loss #
JeF4y;781429 wrote: No, you don't need one. A SCWD is for a closed-loop system where you can direct flow and randomize it. You wouldn't want one on your returns.
grouper therapy;781453 wrote: SCWDs actually work very well on returns. They are great way to create more alternating random flow.They do restrict flow considerably so if used one should calculate that into the head loss #