Andersen sash balance

Question

This is from a double hung wood window that does not tilt out for cleaning.

Has markings on it:

1600R-2

K30 837 11 89

Trying to determine what replacement balance number is needed.

User submitted photos of a window balance.

Paul · Accepted Answer

You may go with our 24-837 Andersen sash balance to accommodate with your balance box stamped with "K30 837 11 89".