Replacement balance

A quick learner from USA says:
January 11, 2017
I beleive I have an S385-36" balance. My stamp reads "35D S37 imp".

My sash is impact glass and weighs 36 Lbs. What option should I go with? Do I need a custom balance?
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Tom from SWISCO responded:
January 18, 2017
Thanks for posting. If your sash weighs 36 pounds, you will need a custom made balance, yes. I would go with our 3560 option, this should work for your sash weight. Before we begin, can you tell me how many you need? Once we have that, I can shoot over a custom order link and price quote.
36" Series 385 Channel Balance
36" Series 385 Channel Balance
S385-36
$12.27
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