SWISCO - The Replacement Hardware Authority

Stamp Option

A quick learner from California says:
Pretty sure I have the right balance selected, but my stamp is odd:
on the side of one balance (L) it says 14-5 JX CMC 7, and on the side of the other (R) it says 14-5 KX CMC 11
My sash weighs about 16 lbs; it's 33 3/4 x 17 x 2 overall.

So I don't know what stamp option I need to select.

My balances are in good shape - the plastic pieces are not cracked or broken, and the cord & spring are still very tight, but the sash still slips from time to time, and this time my take out clips broke.

Thanks for your help in selecting the right stamp option.
Jo B
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Paul from SWISCO responded:
Based on your stamp, I would recommend our 1450 option. Keep in mind we have a chart on the S380-15 store page that shows how much weight each option can support. When in doubt, you can always weigh your sash on a scale.
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