My system was cycling again so I called in a professional. It seems I needed a new pressure switch.
This is something else that can cause the cyclingmproblem
I don't know if this helps, but I have an ultraflex system for 11 years, and I have replaced the sensor plate assembly 3 times, to fix the rapid cycling between the heads.
I have about 1/4 inch of water in the ultraflex compartment just below my motor. I need to change the o rings, but I can not get the plate off. Any suggestions on how to pull out the plate so I can make the repairs.
Thank You