Roto regulator base

A home owner from Alexandria Va says:
Do you have this Roto base? The number on it is G2-DSCP-01. You sell something similar but the holes to mount the base to the window do not line up with the original. Product Code: 39-248. Any help would be appreciated.

Also, what would the shipping cost for 7 of these?

Thank you for your time!
User submitted photo of their Roto regulator base.
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Mike from SWISCO responded:
Good Afternoon,

Which holes do not line up on the 39-248?
A quick learner from Alexandria Va says:
None of the oned that go into the window fram. The 2 that go into the regulator do line up though.

Any idea what shipping costs are for 7?
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Dave Sr. from SWISCO responded:
From my understanding, the replacement is indeed the 39-248. The plastic base on your original has been discontinued. Personally, I have used the 39-248 and found no trouble with screw alignment.
A quick learner from Alexandria Va says:
I will just drill new holes in the window frame. Also, the 39-248 is thinner than the old plastic base. It must be shimmed up 3/16" so the arm of the regulator is aligned with the window.
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