channel balance what stamp for 60.5 lb window

A quick learner from CA says:
August 13, 2012
My sliding window weight 60.5 lb.
One of the channel balance string broken. the stamp is 32DS61L. Its metal length is 33". I think S351-33 will fit.
But I am not sure which option I should pick. 3230 or 3260?

Please help,
thanks,
Shujin
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Tom from SWISCO responded:
August 15, 2012
Thanks for posting. That's a very heavy window! Are you sure it's 60 pounds? I would like you to double check for me, just in case. I don't think we have any stamp options that can support a window of that weight.

When you weigh it, make sure to remove it fully from the window and place it on a scale to get as exact a weight as you can.
A quick learner from CA says:
August 16, 2012
Yes, the window moving half portion was removed from its frame and weighted on my scale. It is 60.5 lb. It is very heavy for us. We need two men to remove it.

The whole window frame size is 64" wide and 72" height.

If you have no right stamp options, could you sell me a roller of the channel balance (used in option 3260)?

Then, I may be fix it myself. I have ordered 3/32" x 39/64" Rivets, Rivet install tool and a Stepped Sash Guide, Alpine from SWISCO. I want to fix the old channel balance by myself.

But I found the roller almost broken on the old channel balance. I need change it too. But I couldn't find it in your web. Could you guide me to a web which could show me parts include a roller?

thank you,

Shujin



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Tom from SWISCO responded:
August 24, 2012
Thank you very much for your patience in this matter. After extensive research, we have determined that your balance will have to be custom made, as none of our standard options can support that weight.

Please take a look at this Custom Channel Balance Order Form that I have started for you and fill out the Contact and Shipping information. One of our representatives will be in contact with you shortly thereafter.
33" Series 351 Channel Balance
33" Series 351 Channel Balance
S351-33
$11.52
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