Please help. No markings anywhere




Thanks for writing in. If the metal channel is 30" not including the end attachments, then this is likely either an S380-30 or S385-30. The only difference between these two channel balances is the depth of the bottom shoe. See the diagram below for reference. Measure your old balance's shoe to see what matches best.

You also have to choose a stamp option, which reflects the strength of the balance. Since there is no stamp on your balance, weigh the window sash. You can then match that exact weight with the correct stamp option. Let me know if you have questions.




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