Non-tilt coil balance

A professional from Charleston says:
February 29, 2024
Looking for replacement of this non-tilt coil balance spring and shoe
Thumbnail of the uploaded file named Side Load Carrier
Thumbnail of the uploaded file named Quad Side Load Carrier
Thumbnail of the uploaded file named Coil Balance Spring
Thumbnail of the uploaded file named Series 145 Coil Balance
Profile picture of Jasmine
Jasmine from SWISCO responded:
February 29, 2024

Thanks for reaching out! It appears you have the 15-103 Quad Side Load Carrier. To confirm that this is the right fit, carefully look over the dimensions and compare them to your existing hardware.

Alternate view of 15-103
Alternate view of 15-103

Alternate view of 15-103
Alternate view of 15-103

This carries is compatible with the Series 145 Balance Spring. The spring in your photo appears to be with stamped with a 5, so you'll need to the S145-5 to replace that one. You'll need to check the other springs for any stamps/markings to determine if they are also 5lb springs.
Quad Side Load Carrier
Quad Side Load Carrier
15-103
$2.70
5 lb Series 145 Balance Spring
5 lb Series 145 Balance Spring
S145-5
$3.65
Sash Cam
Sash Cam
15-108
$1.28
Sash Guide Base
Sash Guide Base
15-222
$1.40
Sash Guide Cover
Sash Guide Cover
15-223
$1.22
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