WaBack Residential has been specially adapted for private properties. The product prevents backflow of waste water and surface water. It is installed in basements and homes in low-lying areas where sewer flooding is a risk. The product provides immediate and cost-effective protection against backflow and basement flooding, so you can rest assured that your basement will remain dry.

Technical specification

Nominal diameter DN/OD 110 (NPS/OD 4)
Weight 5 kg (11 lb)
Chamber diameter (CØ) 428 mm (16.9 in)
Dimension 110 mm (4.3 in)
L 570 mm (22.4 in)
Min. invert-ground (min. I-G) 335 mm (13.2 in)
Closing head 100 mm H₂O (3.9 inh2o)
Pipe connection 110 PE
Watertightness EN 13564
Bracket 316L stainless steel
Chamber Polyethylene (PE)
Damper EPDM
Fasteners mtrl. 316L stainless steel
Float Polyethylene (PE)
Foam Seal Pe-Foam
O-ring EPDM
Sliding Plate PVC
Rubber joint EPDM