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System Number

New Interlock for Pinnacle™ Narrow Sash Sliding Window

405-451405-451MNew 405-451M Interlock to Replace 405-451

The standard interlock for the Pinnacle™ Narrow Sash Sliding Window (740 System) has been updated with a revised profile (405-451M).

In some cases, when the plant-on frame (400-401, 400-403) is used as secondary glazing it is possible that there may be interference of the interlock fin with the outer window due to limited space between the windows.

The new interlock profile does not have the stiffening fin. This change not only helps to improve the clearance when used in a secondary window but also helps to reduce machining time. It also provides the window with an attractive slim appearance.

Technical Memo 115: New 405-451M Interlock to Replace 405-451 Interlock

 
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