Posts Tagged: thermal expansion tank
Water Heater Expansion Tank: Do You Need One and Why?
What Happens If You Don’t Have a Water Heater Expansion Tank? Quick Summary If your home has a closed plumbing system, you likely need a water heater expansion tank. This small tank gives expanding hot water somewhere to go, helping control pressure and protect your water heater, pipes, valves, faucets, and other plumbing components. • A water heater expansion tank absorbs the extra water volume created by thermal expansion. • If your home is equipped with a pressure-reducing valve (PRV), check valve, or backflow preventer, it commonly has a closed … Read More
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