Presto 09978 Pressure Regulator, Gray

Fits onto vent pipe to indicate when 15 Lbs. pressure is reached and controls pressure in unit. Replaces old No.09913 discontinued pressure regulator. Fits 3, 4 and 6 quart pressure cooker models.The pressure regulator fits onto the vent pipe to indicate when 15 lb pressure is reached and controls pressure in the unit. A gentle rocking motion of the pressure regulator indicates that proper cooking pressure is being maintained.