To determine
the correct Sash Balance for your Andersen Narrowline Window, measure the
visual glass size of the lower sash, WIDTH first and then HEIGHT. The
measurement must be to the nearest 1/8 of inch to ensure the proper Sash Balance. Click
here for Sash Balance Form or Email us directly at wti-1@parts-aw.com
with your measurements and we will advise you by return Email of the proper Sash Balance. We recommend that you
replace both Sash Balance of the window unit. Installation instructions are
included with the Sash Balances.
* Sash Balance