I have had some trouble using the UFRs with certain ceiling fan models.
I have as well. Do you have the problem where they seem to turn themselves back on when you turn them off? I asked SA about this and they suggested this MOV & Cap. filter arrangement to stop the problem, which I built and installed exactly as suggested, and the problem is slightly better, but still occurs. You'd think a relay switch would be the most robust type, but not these. I'm going to have to live with it because the URF is in the base of the fan and very hard to get to.