Posted 4/8/2021 08:01 (#8939374 - in reply to #8938778) Subject: RE: Raven 440 Issue
Near Intersection of I-35 & I-90 Southern Mn.
Solenoid valves? If so switch to ball valves. Will cost a bit but worth it. Solenoid valves may not be opening fully causing the imbalance. Of course there are other possibilities such as defective or mixed tip sizes.