My only other questions are if I place the probe under the tank, there is no danger of the probe melting or causing a fire hazard? And why do the stupid companies that make these things tell you to place the probe in the tank? One more thing, will being on the back side of the UTH still gauge the proper temp? I tried it last night as a trial run to see if I could place it as described above however, it couldn't get above 78-80.even if I had the tstat set at 95. I didn't want to crank it to the max or above 100, fearing the worst would happen as I slept.