S600-22; red tip still wont hold up window

Handy Person from Bowie, Maryland
Hello,

I ordered two replacement 22" sprial balances (order #349406) with the red plastic tip to match my non-functional existing balances. Unfortunately, the balances are not strong enough to hold the sashes up more than about 4" from the sill. I installed the balances per the YouTube video (using the tool purchased in the same order #349406) so I think they are simply not strong enough for my 19lb sashes.

Should I try to order a different spiral balance? If so, what color tip should work for a 19lb sash?

Thank you,
Luke
4 Replies
Paul
Paul from SWISCO
SWISCO
Expert
Thanks for posting, Luke. An S600-22 spiral balance with a red tip has a sash weight capacity of 6 through 19 pounds. It should have worked for you, thought it is a little close to the threshold. How many times did you charge it?

If you have charged it enough times and it still won't work, you may want to try the S600-22 with a blue tip, which has a sash weight range of 10 through 29 pounds. That may work better, but I still highly recommend that you try charging your current balances a bit more, just in case.

Please keep in mind that the balance weight capacity information is based on 2 balances per sash. Balances are designed assuming friction in the jamb weather-strip will carry a portion of the sash weight. Suggested sash weights are approximate
Handy Person from Bowie, MD
Thanks for the additional detail. I installed the balances twice, first with two full turns to charge it, and second with several full turns (5 or 6). Shouldn't this be sufficient?

If so, I think I need to go with the blue tips. It also occurred to me that the scale I'm using may be off by a pound or two, and perhaps the sashes are more like 20-21 lbs. In that case, the mediocre performance of the red-tip balances would be expected with their max capacity of 19lbs.

Thanks,
Luke
Paul
Paul from SWISCO
SWISCO
Expert
If your scale is off by a few pounds, then it's entirely possible that the red tips are an inefficient replacement. The blue tip may be a better option in that instance.
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