The Optimum Plus lid features an innovative locking system that allows it to be placed and secured on the cooker in any position. Simply place it on top, press lightly, and rotate the knob to lock the lid. It's that easy!

The pressure regulator offers 3 cooking levels:

• Level 0 - No pressure, 0.0 bar. To cook without pressure or to reduce pressure while cooking.
• Level 1 - Low pressure, 0.65 bar. To cook vegetables and easily boiling foods.
• Level 2 - High pressure, 0.85 bar. To cook meats, legumes, and foods that require a long time.

Before securing the lid of the pressure cooker, make sure that the silicone gasket is properly placed and fitted, its straight side should touch the lid. Also, make sure before each use that it is clean and in good condition. If you notice any damages, you must immediately replace it.

The pressure regulator through which excess steam is released, maintaining pressure inside the cooker during operation. The pressure relief valve, which allows air to escape at the beginning of cooking and then locks the lid of the cooker once it reaches the preset pressure level, preventing it from opening as long as there is pressure inside. Once the pressure is completely released, the lid unlocks and you can open it. The safety valve, which opens in case the pressure regulator gets clogged with food particles and fails to function properly, in order to release pressure inside the cooker.

The silicone gasket that prevents steam from escaping around it during normal operation, but in case of failure of the other safety locks, it opens, allowing steam to escape around the cooker.