In plumbing, what does DWV stand for?

In plumbing, DWV stands for Drainage, Waste, and Ventilation. This terminology is essential in understanding the plumbing system's function and layout in a building. The DWV system is designed to remove waste and wastewater from the property efficiently, allowing for proper drainage while also venting to prevent harmful sewer gases from entering the living spaces.

The first component, Drainage, refers to the pipes that carry away water and waste to the sewage system. The Waste aspect emphasizes the removal of solid and liquid waste materials. Ventilation plays a crucial role by allowing air to enter the plumbing system, which helps maintain proper pressure, facilitating smooth flow and preventing traps from being siphoned dry.

This terminology is foundational in plumbing education and practice, distinguishing it from other systems related to water supply and wastewater management. Understanding the comprehensive role of the DWV system helps in both troubleshooting plumbing issues and designing efficient systems in new constructions or renovations.