SWISCO - The Replacement Hardware Authority

house window sash balance, 27 4 FX CMC 11

A home owner from spring, texas says:
Need to order 4 window sash balances. Measuring the metal only its 28 inches, if I measure it with the plastic coming out end its 29 inches. can you tell me what I need to order from you please? Thanks! Keith
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Tom from SWISCO responded:
I'm afraid I can't identify what you have based only on the stamp. All that tells us is how strong the spring is. I recommend that you look at our Channel Balance Home Page and follow the steps in order to find the Series that best matches what you have.
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