Quote Originally Posted by the bull View Post
Thats what I was thinking, Bad resistance in the wiring or internally in the unit might be causing a bad reading. Good thing you know its off! Lesson here is that you should never trust one temp reading if at all possible!

I also find that the probe for the Ranco is a lot thicker than the probe for the Helix...maybe it's too much insulation around the probe? Or could the 8' wire itself be picking up on ambient temp and thus reducing the reading?

JonV