Dave Sr. from SWISCO responded:
August 14, 2017
Hello! Thanks for posting. We have the authentic 81-098 Pella roller, as well as the generic 81-249. Both more or less work the same, so it would come down to personal preference. Now, can they work ony our door? Yours is very old, but these rollers are the closest match we have. You should try the roller first before you do any adapting to the door by use of a shim or drilling a new hole for the adjustment screw. However, if you take your time and are very careful in drilling and shimming the door and roller, you should be alright.
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