S180 coil balance

A quick learner from Lafayette Indiana says:
June 10, 2015
I have some 3050 vinyl windows with double pane insulated glass. They have S180 style coils and what looks like your coil housing pivot part number 15-087. These are single hung windows and were built in 1995. I do not know the manufacter. I may have to cut part of the track out to remove the coil housing. I don't think your track spreaders will work because the windows have wood returns. My question is can you advise me which pound coil I need or is it nessecary for me to remove a spring to get a number from it? Thanks.
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Tom from SWISCO responded:
June 10, 2015
Thanks for posting! Yes, you will need to match up the number on your spring to those available for the Series 180 coil.
A quick learner from Lafayette Indiana says:
June 10, 2015
I have some 3050 vinyl windows with double pane insulated glass. They have S180 style coils and what looks like your coil housing pivot part number 15-087. These are single hung windows and were built in 1995. I do not know the manufacter. Can you match these coils? The text on the coils says CMC-333 35" EXT. 7#. They are 1/2" wide. Also would it be smart to replace the coil housings or use the existing housings?
User submitted photos of a window balance.
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Paul from SWISCO responded:
June 11, 2015
Thank you! Based on that stamp, I'd recommend our S180-7. Regarding the 15-087, if the housing isn't broken and if the center cam that accepts the pivot bar isn't damaged, you should be able to reuse it.
Coil Housing Pivot
Coil Housing Pivot
15-087
$5.97
7 lbs Series 180 Coil Balance
7 lbs Series 180 Coil Balance
S180-07
$4.97
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