BP 4 12#31 10-86 Anderson window sash

Question

Hello
I have and Anderson window sash that I need to replace. The part number is BP 4 12#31 10-86. Thank you.

Tom · Accepted Answer

Thanks for reaching out to us. With a stamp of "12#31," I recommend our 24-1231 Andersen sash balance. I'm confident that this can work for you.