window balance assembly

A quick learner from usa says:
please identify this set up for me
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Bob from SWISCO responded:

Thanks for posting. I believe you have a Series 770 Channel Balance which has been fitted with our 62-105 Bottom Hook, which then connects to a pivot shoe (likely the 15-208). The balance also has a rivet in the top hole that connects to an S-Clip like our 19-030, which then connects the balance to the jamb track. While our standard version of the Series 770 does not have these features, we'd be happy to provide this for you via a custom order. I just need a little more information to assist:

  • What is the length of the metal channel?
  • There should be a stamp code on the metal channel, which indicates the balance's strength. Please show me this stamp code.
  • How many of these balances do you need?

From there I can prepare a quote for you. 

19-029 : Short S-Clip
Short S-Clip
19-030 : Long S-Clip
Long S-Clip
62-105 : Heavy Duty Pointed Hook
Heavy Duty Pointed Hook
15-208 : Pivot Lock Shoe, 9/16
Pivot Lock Shoe, 9/16" Thick
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How to remove window pivot shoes
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