Replacement

A quick learner from Idaho Falls, Idaho says:
October 9, 2021
I have 2 windows that need the channel balances replaced. (Need 4 channel balances. I have attached 5 photos. The channel balance is 21 inches long and 1/2 an inch wide. There is a number on the balance that is 2040. Could not find a manufacturer.
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Casey from SWISCO responded:
October 14, 2021

Hello,

It looks like you have either our S351-21, with a 15-002 bottom attachment, or S390-21, 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 2040 spring strength option for your replacement balances. Thank you!


Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
21" Series 351 Channel Balance
21" Series 351 Channel Balance
S351-21
$9.59
21" Series 390 Channel Balance
21" Series 390 Channel Balance
S390-21
$9.38
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