spring balancer anderson narroline windows

A handy person from pulaski wi says:
May 1, 2017
part number c30 6p31 277 need replacement
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Casey from SWISCO responded:
May 3, 2017
Based on your stamp of "6p31", I would consider the 24-637 as the best replacement.
Andersen Sash Balance, 623, 627, 631, 637
Andersen Sash Balance, 623, 627, 631, 637
24-637
$54.20
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