Grunbeck pureliQ:R, Operation Manual, Page: 20 / 44

Installation
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4.3.2 Attaching the backwash connection
Discharge of backwash water with drain and trap
► Install the drain connection (not included in the scope of
supply) at the lower outlet of the filter.
The supplied hose adapter is not required for this variant.
The free outlet is already integrated in the filter for this variant.