Gapco widow not staying open

A quick learner says:
June 6, 2023
Hi,

I have three Gapco windows that will not remain open. After opening the window(s) the sash closes slides down and will not remain in the position I set.

All the windows are the same size 34w x 30h, all are aluminum

2 of the windows need the left hand (looking from inside to outside) spiral thing and the connector and 1 of the widows needs the right hand spiral thing and connector

thanks for the help
brian
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Emily from SWISCO responded:
June 7, 2023

Hello, Brian. 

It looks like you have a tilt window. With that in mind, I recommend the Series 900 (3/8" diameter) or the Series 600 (5/8" diameter). Take a look at the specifications and see how they compare with your old hardware. 

If you need the pivot shoe as well, we will need to see an undamaged version removed from the window along with the written-out thickness and width. 
A quick learner says:
June 12, 2023
Hi, Emily

Thanks for the information. I need the S900-29 red tip. My old spiral balance measure 28 7/8 in, so I assume that's the 29 in. Now that I see how these attach to the window, I think the pivot shoes are OK

Thanks for the help

brian
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Emily from SWISCO responded:
June 13, 2023

No problem, Brian! Please let us know if we can be of further help and good luck with the repair!
29" Series 900 Spiral Balance
29" Series 900 Spiral Balance
S900-29
$9.15
How to Remove a Pivot Shoe (Cutout Method)
How to Remove a Pivot Shoe (Cutout Method)
VIDEO
WATCH >
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
VIDEO
WATCH >
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
VIDEO
WATCH >
How to choose the proper spiral balance tip color
How to choose the proper spiral balance tip color
GUIDE
READ >
How to adjust a spiral balance on a tilt window
How to adjust a spiral balance on a tilt window
GUIDE
READ >
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