PGT Single Hung Window

Hello,

We'd be happy to look into this for you but we'll need more information since the stamp code only indicates the strength of the spring, not the correct replacement. If you could show us both ends of your balance uninstalled, as well as the connecting point between the spring and pulley inside the metal channel, that would help us confirm if our stock balances could work for your repair or if they would need to be special ordered. Thank you!