DWV (drain-waste-vent)- Uncategorized Jan 19 The section of a plumbing system that carries water and sewer gases out of a home. D Previous Previous Drywall (or Gypsum Wallboard (GWB), Sheet rock or Plasterboard) Next Next Efflourescence
DWV (drain-waste-vent)- Uncategorized Jan 19 The section of a plumbing system that carries water and sewer gases out of a home. D
