Adirondack Tilt Window Coil Balance

A home owner from Latham, NY says:
Tilt Window was manufactured by Adirondack in the Albany NY area. Now out of business.
The tilt window weighs 16 lbs. It has a 15-175 type shoe. The sash slide is 28 inches to the stop. There are two coil balances per side. One is marked DL the other is C. One of the coils broke (C) but I want to replace both coils. It looks like a series 152 coil. Can you cross the marked (DL & C) weights to your part lbs?
Thanks //Don
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Tom from SWISCO responded:
Hey, Don. I'm sorry, those stamps don't cross-reference with anything in our catalog. That said, if your sash weighs 16 pounds and if you have two coil springs per side, then I would recommend our S152-4. Each individual spring can hold up to 4 pounds, so having four of them altogether should hold up your sash.
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