390 series weight
A handy person from California says:
June 16, 2010
I have a balance that looks like the 390 series. Both ends look the same and mine has stampted 2790 which is a 28 inch but it does not show on the available size. What is unique about the 2790?
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Paul Sr. from SWISCO responded:
June 16, 2010
See if there are two more numbers following, those will give you the exact weight of the spring. If you're not sure, send us pictures and we'll see how we can help.
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Donna from SWISCO responded:
June 16, 2010
Or, remove the window sash and place it on a scale to get the weight in pounds. I can determine the proper strength balance from the sash weight.
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A handy person says:
June 16, 2010
2790 gk 30 is what is stamped
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Donna from SWISCO responded:
June 16, 2010
We will order 2760 stamp option in for you, this will hold a sash weight of 30 through 33 pounds.
This 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. I will post again as soon as they are ready for purchase, approx 3 week lead time |
A quick learner says:
June 16, 2010
ok i need the two balances and 4 Product Code: 18-008 top sash guides.
A quick learner says:
June 17, 2010
So do i order these or do you order them and then let me know when there in?
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Donna from SWISCO responded:
June 17, 2010
I will post again as soon as the 2760 stamp option are ready for purchase
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A quick learner says:
June 17, 2010
I will weigh the window just for good measure.
A home owner says:
June 24, 2010
They weight 30.4 pounds.
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Dave Sr. from SWISCO responded:
July 1, 2010
The 2760 balance will hold the weight of your sash.
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Donna from SWISCO responded:
July 7, 2010
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A quick learner says:
July 8, 2010
Thank You i just placed the order.
