two 1/2 inch CHANNEL BLOCK & TACKLE

Quick Learner from illinois

Oct 23, 2020 3:37 pm

Got two sizes, one is 39" the other is 16". Think the 16" is 16" SERIES 351 but don't know the weight.

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Tom from SWISCO

Oct 28, 2020 1:20 pm

EXPERT

I'm not sure about the weights either, those are very weird stamps. Can you tell me the exact weight of the sash that each balance supports?

Quick Learner from illinois

Oct 28, 2020 1:33 pm

Thanks for the reply. No idea on the weights. It's an old building and I'm guessing the windows are from the 80's. Maybe I can look on the windows for a clue. Is there a typical location for the info? Thanks

Tom from SWISCO

Oct 28, 2020 2:20 pm

EXPERT

You're not going to find what the sash weight is on any sticker or marking. Your only option in this case is to weigh each sash on a scale. Knowing those weights will tell me exactly what S351-16 option will work best for you.

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