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Jasmine from SWISCO responded:
February 6, 2024
Hey there, Thanks for reaching out! The balances you have here appear to be two different style balances. However, I am confident that we supply you with replacements for each of them. The smallest balance, appear to be either the S351-21 with a 1" shoe or the S390-21 with a 1-1/8" shoe. These balances are made with a wingless top guide and a wingless bottom guide. To confirm which series you'll need for this balance, carefully compare the dimensions below. Unfortunately, I am unable to cross-reference the stamp from this balance. So, to select the stamp option needed, you'll need to obtain the exact weight of the sash. 
Comparison of the S351 and S390 balance shoes.
Regarding the other two balances, they appear to be made with a wingless top guide and a winged bottom shoe. This means, you'll need the Series 350 Channel Balance to replace these. For the balance marked with the 22-5, you'll need the S350-23 with a 2250 stamp. You'll need to obtain the sash weight for the balance marked with the 24S35 stamp. For this balance, you'll need the S350-25. Although, there is chance that it may need to be a custom assembly. If the weight of the sash is more than 33lbs, please let me know. |
