Plumbers and pipefitters install, maintain, and repair many different types of pipe systems for such things as water, steam, gas, and waste.
Workers generally specialize in plumbing or pipefitting.
Plumbers install and repair the water, waste disposal, drainage, and gas systems in homes and commercial and industrial buildings. They also install plumbing fixtures and appliances such as dishwashers and water heaters. Some pipefitters specialize in only one type of system, for example, Steamfitters or Sprinklerfitters. A high school degree or equivalent is recommended. Most training programs are administered by local unions or through local chapters of building or fire sprinkler associations.