Tom from SWISCO responded:
October 26, 2015
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Tom from SWISCO responded:
October 27, 2015
I think your original balance had a 28HD stamp, so I would stick with that. It's the same spring strength the original installers used so there's no reason to change it. You can see clear pictures on the S751-29 store page to compare to your own. As for the S clips, you could buy both, but we have detailed dimensions for each that you can use as reference. Just compare our measurements to your own.
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Tom from SWISCO responded:
October 27, 2015
Sure thing. The S751-29 is not necessarily universal. It is meant to replace a very specific kind of balance with the same type of metal channel and shoe. It may be the same Series for both the top and bottom sash, but top sashes and bottom sashes can vary in size and width. You should always check to make sure the hardware you're replacing it with is the same.
As for the weight rating, as long as your sash weight matches the stamp you choose for the S751-29 you should be okay. |