Thanks Arthur for your response, I'm amazed at how much I've learned from you and M.B. Doc in just a few responses. I guess I'm not sure now what to do with this cooling problem, if it exists.
I was wondering if there is a way to get a reading from the 4 pole sensor and convert it to degrees to see if it is seeing the same temperatures as the single pole unit is? That would either confirm or deny the possibilty of a cooling problem to begin with. Or is there a way to rig up an aux. temp. sensor that will give me the exact water temp.?
Thanks again for taking the time to respond to me earlier. By the way, have you ever been to Naples, Me.? I see you live in Milford of which I've been through years ago. I been in Atlanta for over 14 years now but I grew up in Naples.