Any tricks that I need to be aware of? Looks like all I need to do is unscrew the retaining bolt and replace. Is it that simple?
I'm assuming that the sensor is bad. Heater setting always is at least 5 degrees higher than the actual temp in the pool. I don't remember it being that way last fall.
I ordered a new part from amazon for $60 and am thinking I can swap out myself. Just want to make sure I'm not missing something.