Question: do galvanized pipes need to be replaced?
Answer: A: In short: Yes, the old pipes need replacing. ... Galvanized water piping was the state of the plumbing art in 1941. Galvanizing is a metallurgical process used over the past 150 years to coat steel or iron with zinc to inhibit corrosion. The life span of galvanized pipe used for water delivery is about 40 years.