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Question

I am replacing two old sach 27" Series 380 Channel Balance labeled 2690. Your chart goes to 2670 max. What can I do? 2670 would be undersized, right? What is a good replacement?

Bob · Accepted Answer

Hello there. Good question. Channel balance stamps ending in a '-90' or '-9' are from a rating system we do not use. To know what stamps we offer might work for you, weigh the window sash the channel balances support. You can then match that exact weight with one of the weight ranges listed alongside each stamp option under the product description on the S380-27 Shop Page.

If your window sash's weight falls outside the weight ranges of our stamp options, we likely can still help. Let us know and we will proceed from there.