Hello: I am looking for replacement balancers for an Andersen Narrowline Double Hung. The existing left side balancer (viewed from exterior) is marked 11600R-2 and P91 1231 7-88. Thank you!
Emily from SWISCO responded:
March 14, 2022
Hello!
Based on your old stamp of "1231", I recommend the 24-1231 Andersen sash balance.