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How does the Von Duprin 98/99 rim or vertical rod exit device with lever trim convert from L to L-NL function?
Resolution:
To convert the Von Duprin 98/99 Rim or Vertical (Rod or Cable) Exit Device with functional lever (996L-R/V) to act like a rigid lever (996L-NL-R/V) with key over ride follow these steps: R...:
How does the MA531 operate?
Resolution:
MA531 (ANSI F20) Apartment Corridor Door Lock Latch bolt operated by knob/lever from either side, except when outside knob/lever is made inoperative by buttons in face. Dead bolt operated b...: