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| REDI DN110 PVC backwater valve for outdoor sewer systems is used as a shut-off fitting in drainage systems to block reverse wastewater flow. The product helps protect premises from backflow flooding during sewer surcharge conditions and may also help prevent unpleasant odours and rodents from entering the building. Connection size: 110 мм. Material: PVC. Recommended installation: outdoor or indoor drainage system; install in an accessible inspection area. Suitable for residential, commercial and utility buildings. |