Need help IDing coil balance and pivot bar

Quick Learner
The coil balance is just under 2-1/2" and I think it's part #15-177. My boss wanted to send the coil in to see how much weight it holds. We’re not sure. It’s 1/2" wide.

Also, the pivot bar is shorter than the pivot bar I found on your website. The pivot bar I’m trying to order is 2-11/16" long.
User submitted photos of a coil balance & pivot bar.
4 Replies
Paul
Paul from SWISCO
SWISCO
Expert
Thanks for posting! I agree, that pivot shoe looks like our 15-177. How about 26-226 for the pivot bar? That looks similar. What do you think?

For the spring, you may want to look at our Series 152 coil. Does your coil spring have a number on it? Let me know.
Contractor from Taunton, MA
Hello,

Yes, these parts look like the right ones. Thank you for your help.

I have no idea how many pounds the coil is supposed to support and there is no number stamped on it.

Erin
Tom
Tom from SWISCO
SWISCO
Expert
Do you know how heavy your sash is? You may have to remove it from the window and weigh it on a scale.
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