I just bought a new thermal carafe but the water is not dispensing well. Why?

The carafe will dispense about 360-400ml of hot water and 110ml cold water. If the water is not dispensing well, then the carafe is losing air pressure from the bottom.

For products with bottom covers, insert pliers or a flat head screw driver into the indentation or concave area on the bottom cover. There is a knob or handle on the bottom, turn in a clockwise direction and reattach the bottom cover. If there is no bottom cover, turn the knob or handle in a clock wise direction.