Had the right weight, wrong shoe

A quick learner from Ohio says:
April 28, 2022
I recently ordered a triple coil balance and installed it, but the shoes are too big and when the window is installed the window wont unlock the shoe. The picture I have attached is what I am trying to replace. Please tell me what I should order because the coils say #5 #5 #6 for 26 but that seems alot for the window.

Thanks
Dave
Thumbnail of the uploaded file named 16511726972475986501737498430864.jpg
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Tom from SWISCO responded:
May 2, 2022

Hello, Dave. Your old shoe looks to be a match for our 15-199. This is designed to work with either the 1/2" thick Series 160 or the 3/8" thick Series 165. Look these parts over and see what would be the best option for your window.
Pivot Shoe, 17/32" Thick
Pivot Shoe, 17/32" Thick
15-199
$3.70
26 lb Series 140 Quick-Tilt, Triple
26 lb Series 140 Quick-Tilt, Triple
S140-26
$17.95
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