Not sure what you think I did...the hole is just big enough to accommodate the probe. The probe stays in the same place because there is no place for it to go. When I slide the tub out, it stays right there (comes out with the tub). When I push it back in, the probe automatically ends up in the same spot relative to the heat tape (as long as I push the tub all the way back). There is no tape involved.
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