Tom from SWISCO responded:
March 13, 2017
That stamp is a bit weird. Can you confirm what it reads? If you do have the S395-29, you can weigh your sash on a scale to confirm which one of our stamp options would be best.
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Tom from SWISCO responded:
March 15, 2017
That definitely says 2801. I'm afraid I'm not sure what that represents. What is the weight of your sash?
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