How to Repair a Flaky Century Variable Speed Pump Controller 

I know this is an old post but thanks--- mine is doing the same thing touchy dial switch. I am actually looking for a replacement now but I could not find the controller itself, I may try this first. My pump is about 6 years old so I figured it was toast - maybe not. thanks again.

This was a tremendous help and it fixed my controller just fine. I thought I was gonna have to purchase a new controller and when I could not find a replacement anywhere on the web, I sought out a fix. This is exactly the issue... the contacts on the knob had lost their spring. Pulling them back just a bit provided the right amount of tension to connect with the proper setting. Thank you so much.