Near Intersection of I-35 & I-90 Southern Mn. | I'm not sure about getting the circuit board only. If this is for an NH3 situation, KZ used to offer a replacement motor/drive assembly for such situations. This allowed you to continue to use the ball valve itself and change the entire motor/head assembly. The KZ bolts right on and used the same type electrical connectors so it will plug right in. They had various options, depending on whether you need a Standard Control, Standard ON/OFF or Fast Close.
For a time at least, the Ravens seemed to have a fair amount of problems with moisture condensation which eventually ruined the circuit board. This may be your situation. The KZ design didn't seem to have this moisture situation.
I attempted a search for the KZ replacement motors but didn't find them. I did find this video on the KZ website referring to their complete NH3 valve which I thought was interesting.
https://kzvalve.com/videos
Edited by tedbear 12/6/2022 07:46
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Replacement parts for Raven NH3 valves
