Channel Balances for Non Tilt Window

A quick learner from Tamarac, Fl says:
Good afternoon, i am having diffuculty identifying which replacement part to choose. the current balances have different Id #`s. one has number 2410 and the other 2320. can you please advise?
these are 1/2 inch channel width. thank you in advance
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A quick learner from Tamarac, Fl says:
these also look broken, i donĀ“t know what they are called
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Tom from SWISCO responded:

Thanks for posting! Those stamps aren't ID numbers, they just indicate the spring calibration. The only way to confirm a good balance replacement is to go by the nylon fittings on either end of the metal channel.

Yours look like they could be a match for the 19-018 (top) and 15-005 (bottom), but it's hard to tell. If that combination is accurate, then you can use our Series 377. I'd go with our S377-25 for the 2410 balance and the S377-24 for the 2320 balance.

As for the top sash guide, I think that'll be our 18-042. See what yo uthink.

A quick learner from Tamarac, Fl says:
thank you so much. I will order these parts.
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Tom from SWISCO responded:

Awesome, thank you! We appreciate your business. Please let us know how it works out or if you have any questions.

A quick learner from Tamarac, Fl says:
Reading around in the comments in this website I found that a window should have the same size balances on each side. the ones I took out my window are different sizes. how do I determine if I need a 24 inch or 25 inch balance?
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Tom from SWISCO responded:

Ah, I see. I thought these were for two different windows. That is definitely an issue, thank you for clarifying.

In that case, what you want to do is measure the height of the visible glass, then add 1" to that. For example, if your visible glass is 23", you want the 24" long balance. 

Let me know if you run into any issues or have any questions.

A quick learner from Tamarac, Fl says:
excellent! Thank you. The glass measures 23" in length. I also weighed the window and it weighs 11 lbs. would i use the 2310 balance (dividing the weight between the two balances) or option 2320?

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Tom from SWISCO responded:

Great, if the glass height is 23" then you want the 24" long balance. 

You don't want to divide the weight between balances. Our stamp options take into account the support of both balances on either side of the sash. If your sash is 11 pounds then I recommend the 2320 option.

Looking over what I just typed out, it makes sense. All of that information matches up perfectly with your current 24" long balance. I would wager that whoever put in the 25" long balance only did so because it was the only hardware they had on hand for the repair. It's not ideal, but it unfortunately happens all the time when repair people are under a deadline.

A quick learner from Tamarac, Fl says:
thank you so much. I feel comfortable now ordering the parts.
Regards,
AMH
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Tom from SWISCO responded:

That's great news! I'm glad we were able to help out. Please let me know how it works out, or if you have any questions.

And, of course, thank you very much for ordering with us.

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