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“ Von Duprin troubleshoot top latch ”

Resolution: The part number for 98/9927/F top latch less cover is 050400.:

Why would bottom latch on 98/9927 drop when top latch stays retracted?

Resolution: Check the adjustment and if this does not resolve then you may possibly have a defective center case or bottom latch.:

How do I wire an EL device to normally hold open the latch and release it during a fire alarm?

Resolution: Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted. During a fire alarm, the contact will open, dropping...:

What would keep the vertical rod exit devices top latch from being held retracted in the open position?

Resolution: Following exit devices 2227/F, 33/3527A/F, 33/3547A/48A/F, 98/9927/F and 98/9947/48/F have similar rod adjustment procedures. All top latches control the bottom latch assemblies. When do...:

Can the old style 3327 top latches and rods still be purchased?

Resolution: The old style Von Duprin 3327 top latch and rod is longer available. The part number for old 3327 top latch was 105339.:

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“ Von Duprin troubleshoot top latch ”

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