- For installation in exposed pipes
- With double backflow safety valve
- With 1 automatic operating seal
- With 1 manual emergency valve
ACO Quatrix-K automatic backflow unit
The ACO Quatrix-K automatic faecal backflow stop with electrical control provides protection against backflow in black water. The automatic backflow stop is suitable for both installation in exposed pipework as well as for installation in the foundation floor slab.
Quatrix-K automatic faecal backflow stop - for exposed pipes

Quatrix-K automatic faecal backflow stop with shaft system

- For installation in the floor slab
- With double backflow safety valve
- With 1 automatic operating seal
- With 1 manual emergency valve