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![30DK Door Selector](https://images.findtheneedle.co.uk/findtheneedle/products/16464174.jpg)
The D&E 30DK door selector in installed under the head of the door frame in place of the transom stop. It operates by holding the primary leaf open until the slave / secondary door closes and the release mechanism is operated, allowing the primary leaf to close in the correct sequence.
For more information on 30DK Door Selector talk to D & E Architectural Hardware Ltd
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