A calorie is a measure of energy, just as a pound is a measure of weight and a mile is a measure of distance. So the amount of energy you exert in doing an activity is measured by the calories burn rate.
A water pressure regulator is a plumbing valve that reduces the water pressure coming from the main water line into the house.o determine if you need a water pressure regulator test the water pressure of the main water supply to your house. You can buy a pressure gauge for a local hardware or home improvement store.
Controls and maintains pressure inside the cooker and indicates when the ideal cooking pressure - usually 15 pounds - is reached. The pressure regulator fits on the vent pipe and allows excess pressure to be released. Automatically exhausts air and serves as a visual indicator of pressure within the cooker.