A person who installs and repairs the pipes and fittings of water supply, sanitation, or heating systems.
There are 3 types of plumbers; Commercial plumbers, Residential plumbers, Service, and Repair.
Plumbers install and repair water, and other piping systems in homes, businesses, and factories. They install plumbing fixtures, such as bathtubs and toilets, and appliances, such as dishwashers and water heaters. They clean drains, remove obstructions, and repair or replace broken pipes and fixtures.