I think I'm OK now. The temp has dropped a little here and is currently at 34 on my PDA; however, I also think the temp is off. I will look at adjusting that tomorrow if I can. I went out there just a little while ago, and the actuator had flipped and was cycling the spa water. I must say the Jandy instruction booklet didn't offer much in the way of what to expect from the freeze protect feature. Oh well, seems to be working so I guess I shouldn't complain.