Window Pull System

A quick learner from Oklahoma says:
September 20, 2021
Hello,

I think I need the 1640 window pull system, but want to make sure. The metal part id 17" long, 1/2" wide, and the marking stamped on the metal says 16 which I think means 16 lbs. Can you help me?
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Casey from SWISCO responded:
September 24, 2021

Hello,

It looks like you have either our S351-17, with a 15-002 bottom attachment, or S390-17, 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 1640 spring strength option for your replacement balances, which will support a sash between 14 and 19 lbs. Thank you!


Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
A quick learner from Oklahoma says:
September 24, 2021
Thank you so much for your help! I have placed the order and hopefully all will work. Have a great weekend!
17" Series 351 Channel Balance
17" Series 351 Channel Balance
S351-17
$9.34
17" Series 390 Channel Balance
17" Series 390 Channel Balance
S390-17
$9.34
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