The blocking device allows the inbuilt restrictor to be used in the initial restrictor position for opening and closing only. To open the window further for cleaning, the block has to be removed. This must be replaced after the window is cleaned.
Key locking version available to order.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Carl F Groupco is consulted before specifying.
Carl F Groupco hasn't formatted technical specifications for PN UNI by Roto Blocking Device yet.
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