Mastic windows Channel Balance

A home owner from Connecticut, USA says:
September 12, 2022
Hi looking for 4 replacement channel balances for Mastic window. Looks to be 35B. Also attaching a photo of the shoe and the piece that connects the balance to the shoe. Thanks in advance for your help!
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Emily from SWISCO responded:
September 14, 2022

Hi there!

Your balance appears to match our S770-35 with the 35B spring strength option. Note, our balance has a ribbed plain metal channel and installs with a screw at the top of the track. This page here will show you the difference between a plain and ribbed metal channel. Let me know if your balance differs from these specifications and we can work from there. 
A home owner from Connecticut, USA says:
September 14, 2022
Hi! Thanks for this. Ours is a plain channel.
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Emily from SWISCO responded:
September 14, 2022

My apologies for the typo! Our Series 770 also has a plain channel so you should be good to go with this as-is. You can also re-use your pivot shoe if it is in good condition. 
A home owner from Connecticut, USA says:
September 14, 2022
Ordered! Thanks very much for your help!
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Emily from SWISCO responded:
September 15, 2022

My pleasure. Best of luck with your repair and please let me know if I can be of further help! 
35" Series 770 Balance
35" Series 770 Balance
S770-35
$13.82
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