No, no valves, just elbows, and not more than 3 ft of 1-1/2" PVC. There is, however, a "spreader" type fitting inside the filter housing that I should look at more carefully. They call it a "baffle" on pages 10 & 11 here: http://www.pentairpool.com/pdfs/CleanandClearPlusOM.pdf
I'll check that...