Sash counterbalance part id

Handy Person
A counterbalance in one of our vinyl, tilt out windows broke recently. The dimensions of the balance are 2.5" tall, 3/4" wide and 1/5" deep. The spring, which broke, on the counterbalance has either a 6z or z9 ID on it. Do you have any idea if I may buy a replacement part. Thank you so much for your help.
User submitted photos of a coil window balance.
4 Replies
Paul
Paul from SWISCO
SWISCO
Expert
Thanks for posting. The housing looks like our 15-087. Do you agree? If so, I'd also recommend our Series 180 coil spring.
Quick Learner
Thank you for the reply. Can you tell me how to choose the coil weight?
Tessa Barsic
Tom
Tom from SWISCO
SWISCO
Expert
Sure, you simply have to match up the number printed on your coil with the options we have listed for this Series.
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