What Are the Three Types of Plumbing?

Plumbing is an essential part of any building ensuring that clean water is brought in and waste water is safely taken away. There are three main types of plumbing systems that are commonly used in residential and commercial properties.

1. Water Supply Plumbing

The first type of plumbing is water supply plumbing which is responsible for bringing clean potable water into the building. This system includes pipes fittings fixtures and appliances that are used to distribute water throughout the property. Water supply plumbing systems are typically connected to the municipal water supply or a well. Key features of water supply plumbing include –
  • Water meters to measure water usage
  • Pressure regulators to control water pressure
  • Backflow preventers to protect against contamination
  • Shut off valves to control water flow
It is important to regularly maintain and repair water supply plumbing to prevent leaks bursts and water damage. What Are the Three Types of Plumbing?

2. Drain Waste Vent (DWV) Plumbing

The second type of plumbing is drain waste vent (DWV) plumbing which is responsible for removing waste water and sewer gases from the building. This system includes pipes fittings traps and vents that safely and efficiently transport waste water to the sewer or septic system. Key features of DWV plumbing include –
  • Drain pipes to carry waste water away from fixtures
  • Traps to prevent sewer gases from entering the building
  • Vents to allow air to flow through the system and prevent suction
  • Sewer cleanouts for easy access and maintenance
Proper installation and maintenance of DWV plumbing are important to prevent clogs backups and odors in the building. What Are the Three Types of Plumbing?

3. Gas Plumbing

The third type of plumbing is gas plumbing which is responsible for providing natural gas or propane to appliances such as stoves water heaters and furnaces. Gas plumbing systems include pipes fittings regulators and vents that safely deliver gas to the building and remove combustion byproducts. Key features of gas plumbing include –
  • Gas meters to measure gas usage
  • Pressure regulators to control gas pressure
  • Gas shut off valves to control gas flow
  • Ventilation systems to remove combustion byproducts
Improper installation or maintenance of gas plumbing can lead to gas leaks fires and carbon monoxide poisoning so it is important to hire a licensed professional to work on gas systems. What Are the Three Types of Plumbing? There are three main types of plumbing systems – water supply plumbing drain waste vent (DWV) plumbing and gas plumbing. Each type plays a crucial role in ensuring the safety and functionality of a building’s plumbing system. Regular maintenance and timely repairs are essential to prevent issues such as leaks clogs and gas leaks. By understanding the different types of plumbing and their key features property owners can better care for their plumbing systems and protect their investment.