Looking for replacement window rail (Caldwell window Rail 20 4 HQ). see pics attached. Thank you for your help!
Best,
Ralph
Emily from SWISCO responded:
October 12, 2021
Hi, Ralph. Thanks so much for your patience during our busy season. With this combination of attachments, you could have either an S380-21 or S385-21 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. You will also need a 2040 spring strength option. If you have any questions just let us know! Comparison of the S380 and S385 balance shoes.
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