How does the W571 operate?

W571 Corridor Lock 

Deadlocking latch bolt. Push Button Locking. Button on the inside locks outside lever until unlocked by key or by rotating inside lever. Closing the door releases button. Inside lever always free. 

 

The W571 was created to offer a restoring entrance function in lieu of purchasing a W501 with a restoring latch. See the W571 product announcement here.

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