Replacement Sash Support Andersen Window Balance

A handy person from Doylestown, Pennsylvania says:
I am interested in purchasing 2 replacement window balances for one of my Anderson windows with broken balances. Attached is a pic of the original part.

Original numbers on the balance

BP7 12#27 3-85

Please let me know the correct replacement balance that I should order.

Thank You,
User submitted a photo of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, Barry. Based on your stamp of "12#27," I recommend our 24-1231.
A handy person from Doylestown, Pennsylvania says:
Hello again, I found a 2nd window that also needs new balances. I have attached 2 pics of one of the balances. The numbers on on balance are as follows:

623 H65 8 92

Can you recommend which of the SWISCO Anderson replacement balances I should purchase for this window.

Profile picture of Tom
Tom from SWISCO responded:
Hey, Barry. With a stamp of "623," we recommend our 24-637.
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