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Chain Opener - for Highline Window Control System
The T150 chain opener will provide vents with a 380mm opening.
If the sashes (side or top hung) are more than 1000mm high / wide then
2 chain openers should be fitted to ensure a tight seal is obtained upon closure.
The minimum window height for full 380mm travel is 900mm. Allow for 450mm
of conduit for the inner cable spent traveL
