Products tagged with 'waste valve odour prevention uk'

The Viva 1¼″ Magna Self‑Sealing Waste Valve (product code WTSTC32) is a clever non‑return valve designed to open only during discharge and then automatically close to block foul odours and sewer gases. Ideal for under‑sink, bath or bidet installations, it fits both horizontal and vertical positions for flexible UK plumbing installs.