The new OPW Vent Transition Sump (VSE) is an at-grade system that utilizes the fiberglass DSE base with a powder-coated steel top. This laser-cut top features a lockable access hatch and is sloped for water-shedding. Tops arrive configured with up to four (4) vent stack entries at either 2” or 3”.

The smooth walls inside and out of the DSE base allow for a more secure bond of the pipe entry fittings. Complete the Vent Transition System with OPW Vent Pipe and Pressure Vacuum Vents for more efficient installations and superior quality.