Posts Tagged: high water pressure in house

Why you need a water heater expansion tank

Explore the Benefits of a Water Heater Expansion Tank Quick Summary In many homes, a water heater expansion tank is required by the plumbing code whenever the plumbing system is considered a “closed system.” A closed system has: • A backflow preventer or check valve installed ahead of your water meter to prevent household water from backing up into the city water supply. • A pressure reducing valve (PRV) — Used in areas where the water pressure entering the home is too high and must be reduced. A water heater … Read More