Looking for replacement window channel balances

A home owner from Lebanon New Hampshire says:
March 20, 2024
Metal is 29" (not including top and bottom clips)
2830 cj lp engraved on metal.
I would like to order 8 of these.

Thank you!
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Bob from SWISCO responded:
March 20, 2024

Thanks for writing in. This looks like either an S351-29 or S390-29. The only difference between these two channel balances is the depth of the bottom nylon shoe, or the measurement from 'heel' to 'toe'. See the diagram below for reference. Compare both balances with your old hardware to see what matches best. In either case for a stamp option, select 2830.

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
A home owner from Lebanon New Hampshire says:
March 21, 2024
I'm also looking for corner window sash cams. The height is 1 9/16" top width is 7/8" by 15/16". Lower part is 5/8" wide.
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Bob from SWISCO responded:
March 21, 2024

The 18-033 Top Sash Guide looks close. Please compare and let me know what you think.

Alternate view of 18-033
Alternate view of 18-033
Alternate view of 18-033
Alternate view of 18-033
29" Series 351 Channel Balance
29" Series 351 Channel Balance
S351-29
$11.10
29" Series 390 Channel Balance
29" Series 390 Channel Balance
S390-29
$11.10
Top Sash Guide
Top Sash Guide
18-033
$1.70
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