The following Markings exists
(On the Front Left)
Patent #'S
5.232.209
(On the Front Right)
5.365.638
6.584.644 B2
Replacement balances for single hung sash
Quick Learner from Danville, VA
Aug 1, 2018 2:57 pm
5 user uploaded images
2 Replies
Paul from SWISCO
Aug 7, 2018 8:09 am
Greetings-
It looks like you have a 15-191 pivot shoe with single spring nylon cover 15-150S. YOur coil can be replaced with our Series 160, 1/2" wide coil spring. Check your old spring for a spring weight number stamped on it. If you don't see one, weigh your sash and we'll help from there!
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