To Rotate Plumbing Fittings
Select the object to be rotated.
Rotate the object:
If you want to...
then...
rotate the object 180 degrees (flip the object)
click the Rotate grip
.
rotate the object 90 degrees
while pressing Ctrl, click the Rotate grip
.
Related Concepts
About Modifying Plumbing Lines and Fittings Using Grips