the outside dont spin, the center hole in the point does, and it moves a very small amount, it only turns back and fourth, maybe a 1/2 inch.
this is the actuator, that white circle is what turns, see the lines, one right through the center and 2 off to the sides, the 2 to the sides are as far as it turns. one way is hot, the other is cold, the middle is the middle lol
![]()