Basement drains with backwater valve according to EN 13564-1

Selection criteria
- Pumpfix S
Backwater pumping station - the only one that pumps against backwater (type 5) - for wastewater without sewage - "Universal"
Standard-conform twin flap backwater valve for wastewater without sewage (type 5) - ideal for new buildings - Drehfix
Standard-conform twin flap backwater valve for wastewater without sewage (type 5) - ideal for renovation