27 C channel

A home owner from Magnolia, TX says:
August 23, 2023
1/2" or actual of 9/16" channel with 28" length
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Casey from SWISCO responded:
August 24, 2023

Hello,

It looks like you have either our S351-28 , with a 15-002 bottom attachment, or S390-28 , with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need. You'll also need a 2730 spring strength option for your replacement balances, which will support a window sash between 13-19 lbs. Thank you!

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.

28" Series 390 Channel Balance
28" Series 390 Channel Balance
S390-28
$10.97
28" Series 351 Channel Balance
28" Series 351 Channel Balance
S351-28
$10.97
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