replacing Caldwell channel balance

Handy Person from CA
Ours is marked 27 4 CN Caldwell. Looks like your S385 series. Not sure which strength model I should order. Please advise. Thank you
2 Replies
Tom
Tom from SWISCO
SWISCO
Expert
A stamp of 27 4 usually corresponds to our 2740 option, but you can always weigh your sash to confirm.
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