Spiral balance Selection - Help Needed

A quick learner says:

January 30, 2023

I have several very heavy 2004 era PGT Winguard Windows, vinyl, single hung, tilt-in sash, with hurricane impact glass. They have one 3/8" and one 9/16" spiral balance on each side. The tube length is 33" on all of them. There is no tip remaining of the 3/8" balancers except for maybe some yellowish color on the 3/8" balancer supporting the heavier window noted below.

The tips on most of the 9/16" balances that still have tips remaining look to be red in color.

Sash Weights:

The smaller window is 44 pounds

The larger window is 54 pounds.

Please advise on what's the optimum combinations of balancers I need for these two windows.

Thanks!

Chuck

Emily from SWISCO responded:

January 31, 2023

Thanks for reaching out to us, Chuck. We've never heard of a 3/8" and 9/16" balance being used in tandem applications before. That's pretty weird. Do you have enough room to use two 9/16" diameter balances? If so, two S600-33 with red tip options would be my pick for both sashes.

We like to keep things as symmetrical as possible when it comes to balances. Mixing and matching hardware is always a recipe for disaster.

Balance Installation Tool

75-033

$15.05

33" Series 600 Spiral Tilt Window Balance

S600-33

$10.15

How to replace a tilt window spiral balance.

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How to Identify a Replacement Spiral Balance

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How to adjust a spiral balance on a tilt window

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How to choose the proper spiral balance tip color

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