Pella window springs

Contractor from Baltimore
I have mid-to-late 90's Pella double hung windows for which I need replacement spring assemblies. The spring is encased in a "U" channel and has some sort of block and tackle system attached to it. The only identifying mark on the spring assembly is "2540". Any help would be appreciated.
2 Replies
Tom
Tom from SWISCO
SWISCO
Expert
Welcome to SWISCO. I am sure we can help you find a replacement channel balance. The number you gave us only indicates the strength of the actual spring. We would need you to send us some photos of the balance, as well as provide the length and channel width of the balance.

While you are gathering all that information together, I encourage you to click here to view our selection of balances.
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