Yep if you check out the link I posted that is the one. Not sure what the DX stands for....
Also its a good idea to put a ball valve in your return line so you can regulate your flow if you want and when you do a WC and turn everything off it will backflow down your return so if you can shut that off its also helpful.
Also its a good idea to put a ball valve in your return line so you can regulate your flow if you want and when you do a WC and turn everything off it will backflow down your return so if you can shut that off its also helpful.