Anderson Sash Balance 7#27

A home owner from Tiverton RI says:
Hello, I need to order a couple sash balance replacements. The numbers on my current bablance are:

D75 7#27 1-87

Which replacement part should I order?

Thanks Doug
Profile picture of Paul
Paul from SWISCO responded:
Thanks for contacting us, Doug. Please take a look at our 24-737 Andersen Sash Balance, which can be used to replace balances with the stamp 7#27.
A home owner from Pacific Palisades, CA says:
I need to replace the double hung sash balances for my Andersen windows (~ 1983) Product # are 11600-2 and
D25 7#27 4 81. Can you identify the replacement part?
Profile picture of Tom
Tom from SWISCO responded:
Thank you for posting on our discussion board. I have placed you into an existing discussion regarding this operator. As you can see, we have recommended the 24-737 as a replacement for balance boxes with the stamp 7#27.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 4-7 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at 856-317-6263 or at