Temperature Gauge Widget [3.1.0.0;5.0.0.0)

Good widget.
Question:
If I add 300 to the widget height the widget disappears. It only works if the height is blank.
Also if I set LCD I get undefined instead of numbers. Does the LCD have to have units?

I just set it up as a test for my water tank instead of temperature.
Screenshot from 2024-12-30 09-03-34

Here is the LCD undefined:
Screenshot from 2024-12-30 09-04-44

I am sure I can use this for many other things.
Good work. I have been looking for something like this for ages.
I wish gauges like this were standard openHab widgets.

What I am looking for is something like this for water tank: