SWISCO - The Replacement Hardware Authority

Rylock window balance replacements - - 27 3 LN Caldwell

A home owner from Sunnyvale says:
Please see photos attached. Original post appears to be lost. Length is 28 inches, and width is 9/16 inches. Imprint is 27 3 LN CALDWELL. Looks like this is your 2730 part... Please confirm
User submitted photos of a window balance.
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Tom from SWISCO responded:
"2730" is just a code that tells us how strong the spring is. The stamp has no bearing on product identification otherwise. That said, yours looks like our S350-28. Carefully look it over and tell me if this is a match.
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