Replacement Balancer and Shoe

A contractor from Iowa City says:
Current balancer is on Weathersheild vinyl left hand side. balancer is 32 inches in length.
User submitted a photo of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Hey there. For your Weathershield tilt balance, you will need our S751-32. We need to know the weight of your sash to suggest the correct spring strength for you.
How to install a ribbed tilt channel balance with knife lock shoe
How to install a ribbed tilt channel balance with knife lock shoe
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