Need spiral balance and shoe replacements.

Handy Person from Florida

Hello,

These windows are located in Fl, installed ~2004

Info as follows

  • Tube length: 28 3/4 inches
  • Tube width: 7/16 inches
  • Tip: black
  • Window weight: 18.3 lbs
  • Locking shoe width: 3/8 inches

BTW, these are tilt windows. I also measured the width 10 times according to the pics with a tape measure, and came out 7/16s each time.

I want to be sure I order the correct items for 9 identical windows.

Thanks!

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2 Replies
Tom
Tom from SWISCO
SWISCO
Expert

Thanks for contacting us! I'm confident that we can supply the right balance for you, but I'm afraid that your measurements don't add up. I trust that you measure your balance properly, but the issue is that no company ever made a 7/16" diameter balance. It simply doesn't exist. So there must be something going on that's giving you an inaccurate measurement.

I know that some balances have a removable nylon cover over the balance for aesthetics' sake. Could this be the case with your balance? Is there perhaps a solid metal tube under the nylon tube? Or is that nylon tube completely connected to the balance and not separable? 

Considering your shoe is 3/8", I think it's pretty safe to assume your balance is also the 3/8" variety. 

Speaking of the shoe, you have an older style that's no longer made. That said, we've had luck using our 15-212 as a substitute. This is 3/8" thick and 15/16" wide. It should also be fully compatible with your old pivot bar. To add to my earlier theory, both the 15-212 and your original discontinued shoe were specifically designed to work with the 3/8" diameter Series 900.

One last note before I conclude. I don't think the color tip is black, either. Only 5/8" balances were ever made with a black tip, and a 29" long balance in that diameter with a black tip carries 31 through 40 pounds. That is way, way too heavy for a sash that's only 18.3 pounds. Assuming you have an S900-29 like I think, you'd want the Red Tip color option instead.

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