The letter D in a dream represents confrontation with sacrifice. Full awareness of a situation that demands that you give something up or put others first. The symbolism is based on the design of the letter D being a straight line that is facing a half circle.
drain line: A pipe line which is used to carry water from the water treatment system to a waste system. drinking water: A water treated or untreated which is intended for human use and consumption and considered to be free of harmful chemicals and disease-causing bacteria, cysts, viruses or other microorganisms.
Point Of Entry (POE), or whole house water treatment (where all water entering the home is treated) is indicated when the water has problems that affect all areas of the home. The most common example is a water softening ion exchange system that removes calcium and magnesium ions (and some other ions) from the water.