Use this table to determine exactly what is defined as “high” or “low” heat:

Description Centigrade Fahrenheit
Very Low 120 – 140 250 – 275
Low 150 – 160 300 – 325
Moderate 180 – 190 350 – 375
Hot 200 – 220 400 – 425
Very Hot 230 – 270 450 – 475
Extremely Hot 260 – 270 500 – 525