Roca Space Saving Self Closing Basin Waste

Roca Space Saving Self-Closing Basin Waste (ZWHB100001). Designed maximise storage space beneath the basin in cabinets or furniture. Its internal membrane opens under water pressure, allowing smooth discharge flow, and then seals shut to prevent unpleasant odors from entering the room. The built-in valve draws in air when negative pressure occurs, eliminating the need for secondary ventilation and providing greater flexibility in plumbing design. Cleaning the valve is quick and hassle-free - remove the split pin, take out the plug and membrane, and wash with hot, soapy water. Reassemble and secure the split pin in the designated slot. Unlike traditional water-sealed waste systems, this self-cleaning valve prevents drying out due to evaporation or infrequent use, ensuring continuous performance. 1¼" BSP female inlet nut x 1¼" universal compression outlet Dimensions: 130.4mm x 58.2mm Genuine brand new Roca product, covered by a Roca manufacturer's guarantee.