window too heavy for available balances

A home owner from San Jose, CA says:
I have a 31 lb window with 3/8" spiral balances.
Neither the red tip or the green tip spiral balances
are rated for this weight.

What do I do?
A home owner from San Jose, CA says:
Note, this is a tilt window.
Profile picture of Paul
Paul from SWISCO responded:
I see you were looking at our S900-26. Is this what you have? If so, it sounds like you'll need a special Yellow tip, which can carry 24 through 34 pounds. We can make this for you no problem. Check out this custom spiral balance request form that I've started for you based on your specifications and fill out the blank fields. One of our representatives will get back to you shortly thereafter with a price quote and an item to add to your cart.
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