replacement partition bathroom door knob

A quick learner from Pittsburg ks says:
Looking for replacement knob for our church bathroom partition door knob. Previous knob was labeled "hadrain". Looks like you have two parts that might work. Part # 10-556 and 10-562 . What is the difference between the two?
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Casey from SWISCO responded:

It looks like your concealed door latch might be similar to our 10-563 . If that is the case, you would want to use the 10-556 knob assembly or the ADA compliant version, 10-557 . Please see the associated video for installation instructions.

How to install the 10-556 lavatory knob assembly.
How to install the 10-556 lavatory knob assembly.
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