HepvO BV1WH 32mm Waste Valve

The Wavin Osma HepVO Waste Valve 32mm (BV1 WH) is a hygienic, self‑sealing waste solution that stops foul sewer gases entering the living space. Designed as a waterless trap alternative for drainage systems, this white HepVO valve delivers reliable odour prevention and flexible installation under basins, sinks, showers or hot water discharge lines.