Windows with no Channel balance

A home owner from Weston says:
August 12, 2013
I send more or less the description in the pictures.
I want to know the 2 Channel balance that I need to buy.
The right top for the window
The click for the right side (may be I need to change both of them.

The high is 31"
The deep is 1/2 "
The width is 49 "
User submitted photos of window hardware.
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Paul from SWISCO responded:
August 15, 2013
Thank you for posting. We may be able to help you. First, what is the height of the visible glass? Can you also give me the sash weight? That will help us get started.
A home owner from Weston says:
August 15, 2013
The height 29" the visible glass from the begin of the window to the end 31 "
The weight around 30 pounds
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Tom from SWISCO responded:
August 15, 2013
I'm sorry, I'm confused by how you phrased that. Is the height of the visible glass 29" or 31"? I only need the visible glass height, no need to give anything else.
A quick learner from Weston says:
August 20, 2013
29"
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Paul from SWISCO responded:
August 20, 2013
Great, thank you! Check out our S377-29 channel balance. Does this resemble your old balances?
Top Sash Guide Pair, Pan Am
Top Sash Guide Pair, Pan Am
18-042
$1.97
29" Series 377 Channel Balance
29" Series 377 Channel Balance
S377-29
$11.10
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