Thermador Professional PRO HARMONY PRG30 Manuel D'installation page 26

Note: It is assumed that the counter top adjacent to the range has been properly leveled.
CAUTION!
This may damage the cabinet and counter top due to excessive temperatures.
Cabinet
Cabinet
English 24
DO NOT operate range if sides are lower than the adjacent cabinet.
CORRECT!
Leveling legs should be adjusted so that the range
sides are at the same or higher level as the adjacent cabinet.
Range
Leveling legs can be adjusted
by using an adjustable wrench
on the flats of the legs.
Cabinet
Cabinet
Figure 23: Adjusting the Height of the Range