Mini Check valve

The Roediger mini check valve (part no. 310003000)  is a non-return valve that prevents wastewater from entering the toilet system.

It is used in combination with the overflow protection system.
A tube from the overflow outlet in the toilet bowl connects to one side of the mini check valve, the other side of the valve connectes to the wastewater discharge side of the evacuation valve.
When liquid enters the overflow outlet in the bowl, the negative pressure in the wastewater discharge line draws it away.
The mini check valve ensures that water can only flow from the bowl to the wastewater outlet.
Therefore, the valve must always be installed with the arrow pointing towards the evacuation valve.

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