Window balancer

A handy person from Lake Geneva says:
August 25, 2022
Hello I need help picking out a window balancer. I have ordered three 2 from here and one from another place none have fit. The markings on the broken piece is +DB27HD.
Thumbnail of the uploaded file named image.jpg
Thumbnail of the uploaded file named image.jpg
Thumbnail of the uploaded file named image.jpg
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Casey from SWISCO responded:
August 26, 2022

Hello,

I would recommend starting by comparing the specifications of the S751-28 channel balance with a 27HD strength option to an undamaged balance assembly. Thanks for posting! 
A handy person from Lake Geneva says:
August 26, 2022
I have ordered those pieces and it is to big.
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Casey from SWISCO responded:
August 26, 2022

Could you elaborate regarding exactly what part of the balance is too big, as well as confirm the exact dimensions that you need? 
A handy person from Lake Geneva says:
August 26, 2022
The bottom plastic piece is the part that is to big.
A handy person from Lake Geneva says:
August 26, 2022
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Casey from SWISCO responded:
August 29, 2022

Could you confirm the exact dimensions of an undamaged knife lock shoe compared to the measurements shown in the diagram below? Thank you. 

Dimensions for 15-014
Dimensions for 15-014
A handy person from Lake Geneva says:
August 30, 2022
The dimensions of the existing shoe balance are width -1/8in
, height 1/2 in, and length is one in.
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Casey from SWISCO responded:
August 31, 2022

Unfortunately, we have not been able to locate a replacement knife lock shoe with the dimensions you've provided. If you'd like to send back the balances you've purchased so far, our return policy can be found here.

I'm sorry that we won't be able to assist with this repair but please let us know if you have any other hardware questions. Thanks for posting! 
Balance knife lock Shoe
Balance knife lock Shoe
15-014
$1.09
28" Series 751 Channel Balance
28" Series 751 Channel Balance
S751-28
$11.73
How to install a ribbed tilt channel balance with knife lock shoe
How to install a ribbed tilt channel balance with knife lock shoe
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Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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