What size water lines should I use in my house?
What size water lines should I use in my house? In most cases, the main pipeline from the street to your home is either 3/4 or 1 inch in diameter, supply branches use 3/4-inch-diameter pipe, and pipes for individual components are 1/2 inch. Remember that water pressure decreases by a half-pound per square inch for every foot pipes extend above your water supply. How big is a mimimum water supply pipe? Mimimum fixture branch pipe size refers to the size of the cold branch pipe, or both the hot and cold branch pipes. The listed minimum supply branch pipe sizes...