Series 770 balances

A contractor from Sewell NJ says:

Hi this is Michael

I have 2 different size balances that I need to know which ones to order

One is marked 2801

The other is marked 2000

Thanks

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Paul from SWISCO responded:

Hello Michael. For the the S770-20, a stamp code 2000 should conform to our stamp option of 20C, which supports a window sash that weighs 14 through 18 lbs. For a stamp code of 2801, I believe you can use 28D, which supports a sash in the weight range of 23 through 28 lbs. Let me know if you have further inquiries.

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