Spiral window balance replacements

A handy person from Decatur, GA says:

Hi Swisscom customer service ,

I am trying to replace failing spiral balances and pivot shoes alum insulated windows in a townhome(built ~2004). Bottom sash tilts and 2 window sizes are 

  • (A)~34.5" wide x 35.25" H
  • (B)~46.5" wide x 32.25" H

Balances currently installed are 3/8" dia w/ white plastic covers. ~34.5" long (assume replacement would be 35). All windows have same balances size installed. Currently hv 6 windows having issues with. Which balances would you recommend for replacement?

Also current pivot shoes measure ~3/8" thick x 1" wide x 2" tall. Looking thru catalogue appears 15-045-correct?

Thanks for you help and assistance

Sincerely,

Grady

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Tom from SWISCO responded:

Thanks for posting! For 3/8" diameter spiral balances for tilt windows, I'd go with our Series 900 as a replacement. You're right in assuming that you'd round up to 35". Some older manufacturers used to make these in 1/2" increments, but no longer. We find that rounding up to the next inch works fine.

As for the shoe, I think our 15-212 may be a better option. This is similar to the 15-045 but is 1/16" less wide and it's designed to accommodate pivot bars that are 5/16" x 3/16", like our 26-040. The 15-045, on the other hand, is designed to accommodate pivot bars that are 1/4" x 3/16". Look these parts over and see what you think.

A handy person from Decatur, GA says:
Thank you Tom.
I ordered the series 900 balances and 15-045 pivot shoes before saw reply. Thanks for heads up on 15-212 shoes...confirmed pivot bar pocket dimensions are more inline with what was existing. Oops. So now I've ordered those for replacement. Appreciate your help and expertise.
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Tom from SWISCO responded:

Awesome, glad to hear you got everything together! I'm happy to help, of course, and we appreciate your business. Please let me know if you ever need anything else.

How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
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How to Identify a Replacement Spiral Balance
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How to Remove a Pivot Shoe (Cutout Method)
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Swisco's 15-045 Pivot Lock Shoe
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How to remove window pivot shoes
How to remove window pivot shoes
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Anatomy of a tilt window
Anatomy of a tilt window
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How to choose the proper spiral balance tip color
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How to adjust a spiral balance on a tilt window
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