Shoe and Spiral Balance

A home owner from 48154 says:
June 6, 2023
Unsure of model or year (another window from same era shows "Series 151 on the NAMI sticker). Need a shoe and 2 spiral balances and need to identify which replacement part would fit.

Spiral balance
Length: 29"
Tube diameter: 1/2 or 5/8 (a bit deformed)
Color: see picture
Thumbnail of the uploaded file named 57804C16-229E-4FF3-AC96-F9ED29C4DB29.jpeg
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Jasmine from SWISCO responded:
June 8, 2023

Thanks for posting! Based on the dimensions and the tip color of your balance, it appears you'll need the S600-29 with a blue to.

To determine the replacement shoe needed for your window, you'll need to remove the existing shoe from the window. There are quite a few compatible with the Series 600 balances. Start with comparing the measurements for parts 15-015 (17/32" Thick), 15-046 (1/2" Thick), 15-047 (5/8" Thick), or 15-173. 

The first there have the same dimensions for the width and height but the thickness of each of them is different. The 15-173 has different measurement altogether. Look them over and see what you think.

Dimensions for 15-015
Dimensions for 15-015

Dimensions for 15-173
Dimensions for 15-173
29" Series 600 Spiral Tilt Window Balance
29" Series 600 Spiral Tilt Window Balance
S600-29
$9.35
Pivot Shoe, 17/32" Thick
Pivot Shoe, 17/32" Thick
15-015
$1.55
Pivot Shoe, 1/2" Thick
Pivot Shoe, 1/2" Thick
15-046
$2.15
Pivot Shoe, 5/8" Thick
Pivot Shoe, 5/8" Thick
15-047
$2.20
Pivot Shoe, 9/16" Thick
Pivot Shoe, 9/16" Thick
15-173
$2.72
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