anderson window balance

Hey there. That's impossible to say without seeing the numbers. There is usually a specific group that is the identifying stamp. Often how the numbers are stamped is just as important as what they say. If you can send us photos of all the stamps on the balance box, we should be able to narrow it down for you.

Great, thanks. See the 24-637. This will replace old Andersen balances with the '623' code.