Please let me knew which model can replace this old model
A quick learner says:
September 27, 2021
This is Anderson windows sash Balance
Emily from SWISCO responded:
October 1, 2021
Hello!
It looks like your stamp has 4#19 imprinted on it. If that's the case, see our 24-431 Andersen sash balance. This is meant to replace old Andersen balances that include the stamp 4#19, or 419.