Should the spacer on the PlexiDor sliding tracks be left on?

There is a spacer on the PlexiDor sliding-tracks accessory that gives a small gap between the PlexiDor and the security plate. The spacer is there to allow the flip lock to move freely, and should be left on.

Sliding tracks with flip lock

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My patio door has one side hinged and one side fixed. Do you sell replacement patio doors for the fixed side? My door is a Jeldwen, G1408160681619 CW.