Russell Hobbs RHNPC401 Owner's Manual page 20

I m p o rtant Safety Information
MAXimum Fill Line: The line inside the Pressure Cooker Pan
indicates the Pressure Cooker is 2/3 full.
For most foods, it is safe to fill the Pressure Cooker Pan 2/3 full.
When cooking foods that expand,such as rice,dry beans and
legumes or recipes containing these foods, do not fill the Pressure
Cooker Pan more than 1/2 full.Fill only 1/2 full when cooking
stocks or soups.
CAUTION: NEVER fill the Pressure Cooker Pan with food or liquid
beyond the 2/3 MAX Fill Line. Overfilling the Pressure
Cooker with food may result in preventing the steam
from being released through the Pressure Lift Pin and
Pressure Regulator Valve.Do not let any portion of food
extend above the MAX Fill Line.
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