WINDOW SPRING PARTS

Home Owner from Florida
I've attached a picture of 2 spring assemblies for you to send replacements for. I show the part number
29 9 GX CMC 11 .

I also have a window with the number 29 9 LW CMC 7.

They look alike ... Can you tell me if they are alike. If so I would like to order [6] If not, I need the following:

Four (4) of the 29 9 GX CMC 11
Two (2) of the 29 9 LW CMC 7
Total of (6)
Please respond and I will give you a credit card and address to send them all.

Mike
User submitted a photo of a window balance.
4 Replies
Paul
Paul from SWISCO
SWISCO
Expert
Hey, Mike. We will need more information before we can help. Your picture only shoes the bottom attachments for each balance, but we will also need to see the top attachments in order to confirm if they're the same Series. I also need you to confirm which shoe you have. I believe it's either the 15-004 or 15-005, but you have to compare your measurements to ours in order to be sure.
Comparison of 15-004 and 15-005
Comparison of 15-004 and 15-005
Finally, please tell me the weight of each sash in question. 29 9 is not a standard stamp number and I would like to make sure.
Quick Learner
Paul,

I found out that we need the 15-004 (1-3/32") shoe. As for the weight,
my neighbor and I are in agreement that the number is correct as you
see my picture as reference. Is the 29 9 the weight?

Thanks,
Mike
Paul
Paul from SWISCO
SWISCO
Expert
Thank you. I would recommend our S385-30 channel balance. 29 9 is not the weight, it is just a stamp that indicates what the strength of the spring is. Like I said, it is not a standard stamp for us so we have to figure out which of our stamps would be better. You might want our 2965. Two balances with this stamp can carry a sash weight of 35 through 39 pounds, but you really should weigh your sash just to be sure.
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