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.
What You Should Know About Water Pressure Regulators. 1  Water pressure regulators are safety feature and required by code. 2  High water pressure can cause leaky pipes, pipe to explode, leaky fixtures and premature failure of faucets and fixtures. 3  Max allowable pressure is 80 PSI.