single hung constant force coil balances

Question

I need to replace the coil on both sides of a single hung window. Both coils are broken.
Window sash weighs about 13 lbs and is 23.5 inches high. Probably just need coil replacements. Coil is 1/2 inch wide. Looks like Series 175 silver. Shown in the picture are the bottom shoes and the broken parts of the coils on the upper brace.

Casey · Accepted Answer

Hello,

Your pivot shoe looks like an older version of the 15-180. This shoe is compatible with the S190 coil springs and other related items on both product pages. Take a look and thanks for posting!