Custom S400-23 balance

A quick learner from United States says:
May 10, 2019
Hello,

We placed an order for the red tip balances but realized when we went to install them that the sash is less than 7 pounds. We're going to return the 8 balances that we bought and will need a special order link to purchase 8 more of the balances with less strength. We'll get back to you with the exact weight once we're able to weigh the sash. Thanks!
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Tom from SWISCO responded:
May 13, 2019

I'm afraid the Red color tip is the weakest available option for this size balance. It also appears that your original balances had red tips, as well. Did you try installing our balances? I believe they should have worked.
A quick learner from United States says:
May 24, 2019
The windows weigh 8.1 Lbs. They will open a bit more than halfway. If you raise it higher it will drop back down to halfway. If I charge them one more revolution they will open all the way but when I close them they will try to rise back up.
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Paul from SWISCO responded:
May 29, 2019

This is definitely a weird case. The red tip should be perfect for your sash weight. When charging the S400-23, did you make sure to charge it with the bow tie end tip as close to the red nylon bearing as possible? If it was sticking out too far, that may have messed with the tension. In my experience, if you charge with the spiral exposed the tension never seems to be correct. Whenever I've done this in the past I always end up having to recharge it.
Spiral Balance Charging Tool for Non-tilt Windows
Spiral Balance Charging Tool for Non-tilt Windows
75-005
$12.10
23" Series 400 Spiral Balance
23" Series 400 Spiral Balance
S400-23
$9.98
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