Failed uth.

[Pezz]

It does sound failed. For interest sake, did you take a Temp-gun reading of UTH while it was in the tank hitting the "desired" temperature in 45seconds? I would have Temp-gunned the area to see if it kept going past that mark and if it was indeed hitting that mark quickly. I have a very low differential on my UTH (90-92F) so it is basically always kicking on and off and almost never takes more than a few seconds to return to the kickoff temperature. When I Temp-gun the area it is always at the desired temperature.

Yeah I temp gunned in the enclosure. The tile was holding a constant 92 because it retains heat well. After removing the tiles the pad itself was having huge fluctuations. I have a pretty high variable off at 97 on at 88 (because tile retains heat). It took on avg 45 seconds to hit 97. When i took it out and ran it unregulated it got up to 127 in just a couple minutes. Just got the ultratherm and aluminium tape. About to open the box, test and install.

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