Pair Replacement Sash Balance

A home owner from Albuquerque, NM says:

I need a pair of 28" shash window balances. The ends are as per the photo's uploaded and it is stamped 2740 J.

I would have bought the stock ones but they have wings on the ends protruding sideways, mine do not have these. Thanks

Regards

Kevan

Thumbnail of the uploaded file named 2020-04-25 13.50.33.jpg
Thumbnail of the uploaded file named 2740 balance stamp
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Bob from SWISCO responded:

Hey Kevan. See our S351-28 or S390-28. These balances lack wings on their nylon fittings. The only difference between them is the 'depth' of the bottom nylon shoe, so compare both with your old hardware to see what matches best. You will need a stamp option of 2740.

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