Plumbers, Pipefitters, and Steamfitters

Plumbers, pipefitters, and steamfitters install and repair piping fixtures and systems.

Duties

Plumbers, pipefitters, and steamfitters typically do the following:

• Prepare cost estimates for clients
• Read blueprints and follow state and local building codes
• Determine the materials and equipment needed for a job
• Install pipes and fixtures
• Inspect and test installed pipe systems and pipelines
• Troubleshoot malfunctioning systems
• Maintain and repair plumbing sysems

Although plumbers, pipefitters, and steamfitters have distinct responsibilities, they often have similar duties. For example, they all install pipes and fittings that carry water, gas, and other fluids and substances. They determine the necessary materials for a job, connect pipes, and test pressure to ensure that a pipe system is airtight and watertight. Their tools include drills, saws, welding torches, press fitting tools, and drain cleaning tools.

Plumbers, pipefitters, and steamfitters may use different materials and construction techniques, depending on the project. For example, residential water systems use copper, steel, and plastic pipe that one or two plumbers install. Industrial plant water systems, in contrast, are made of large steel pipes that usually take a crew of pipefitters to install.

Journey- and master-level plumbers, pipefitters, and steamfitters frequently direct apprentices and helpers.

Master plumbers on construction jobs may help develop blueprints that show the placement of pipes and fixtures. Their input ensures that a structure’s plumbing meets building codes, stays within budget, and works well with the location of other features, such as electric wires. Many diagrams are created digitally with Building Information Modeling (BIM), which allows workers in several occupations to collaborate in planning a building’s physical systems.

Some of the specific tasks performed by these workers are as follows:

Plumbers install and repair water, gas, 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. Plumbers also help maintain septic systems—large, underground holding tanks that collect waste from houses that are not connected to a sewer system.

Pipefitters and steamfitters, sometimes simply called fitters, install and maintain pipes that may carry chemicals, acids, and gases. These pipes are mostly in manufacturing, commercial, and industrial settings. Fitters install and repair pipe systems in power plants, as well as heating and cooling systems in large office buildings. Steamfitters specialize in systems that are designed for the flow of liquids or gases at high pressure. Other fitters may specialize as gasfitters or sprinklerfitters.

Plumbers, pipefitters, and steamfitters held about 504,500 jobs in 2024. The largest employers of plumbers, pipefitters, and steamfitters were as follows:

Plumbers, pipefitters, and steamfitters work in factories, homes, businesses, and other places where there are pipes and related systems. Plumbers and fitters lift heavy materials, climb ladders, and work in tight spaces. Some plumbers travel to worksites every day. Outdoor work, in all types of weather, may be required.

Injuries and Illnesses

Plumbers, pipefitters, and steamfitters sometimes get injured on the job. Common injuries include cuts from sharp tools, burns from hot pipes and soldering equipment, and falls from ladders.

Work Schedules

Most plumbers, pipefitters, and steamfitters work full time, including nights and weekends. They are often on call to handle emergencies. Self-employed plumbers may be able to set their own schedules.

Most plumbers, pipefitters, and steamfitters learn on the job through an apprenticeship. Some attend a vocational-technical school before receiving on-the-job training. Most states require plumbers to be licensed.

The median annual wage for plumbers, pipefitters, and steamfitters was $62,970 in May 2024.

Employment of plumbers, pipefitters, and steamfitters is projected to grow 4 percent from 2024 to 2034, about as fast as the average for all occupations.

About 44,000 openings for plumbers, pipefitters, and steamfitters are projected each year, on average, over the decade. Many of those openings are expected to result from the need to replace workers who transfer to different occupations or exit the labor force, such as to retire.