What does DWV stand for in plumbing terminology?

The term DWV in plumbing terminology stands for Drainage, Waste, and Vent. This system plays a crucial role in plumbing as it encompasses the pipes and fixtures that transport sewage and wastewater away from a building, ensuring proper drainage. Additionally, the vent part of the system allows for the release of gases and maintains proper atmospheric pressure within the drainage system, preventing sewer gases from entering the living space. The proper functioning of a DWV system is essential for sanitation and safety in any plumbing installation, highlighting its significance in the field.