Coil spring balancer

A home owner from Pittsburgh says:
April 21, 2021

I need 2-9R and 2-7R for two different windows. Thanks

Matt 

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Dave Sr. from SWISCO responded:
April 26, 2021

Hello,

Looking at your photos, I believe you have the series S140-7 and S140-9 coil balances. You say you need only the (R) right-hand side, however, you should replace the balances on both sides of the window so that there are equal amounts of tension to support the window sash. Thank you!
A home owner from Pittsburgh says:
April 29, 2021
I am replacing both sides but both sides originally came with 9R's. Thanks. Should I order 9L for left side?
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Dave Sr. from SWISCO responded:
April 29, 2021

That is odd. Whoever installed the window originally may not have known the difference. Either way, yes, I would recommend getting Right for the right side and Left for the left side.
7 lb Series 140 Quick-Tilt, Single
7 lb Series 140 Quick-Tilt, Single
S140-07
$7.97
9 lb Series 140 Quick-Tilt, Single
9 lb Series 140 Quick-Tilt, Single
S140-09
$9.12
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