My upper control cracked. I got a used one online thats a little different but works fine. The one i got is like the one in the picture. The brass 90 where the small lines attach thread into another threaded cylinder. To me, it seems like those cylinders control the flow of each line individually. So i can even out the lower control response and individually adjust the speed of each function. I am wondering if i am correct on this? And does anyone have a manual for this type? Thanks
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