Window balance springs

A handy person from South East Florida says:
July 2, 2018
I have single hung PGT Impact windows.
The toral Length of this white sleeve is 31 1/2 inches by about 9/16ths. I guess it could be 5/8ths. The number stamped on the white plastic sleeve is
31-44 JA ultra lift
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Tom from SWISCO responded:
July 10, 2018

Hello! We can replace this balance, though it will have to be specially made. I will email you a special order link and price quote right now for 2, which is our minimum. If you'd like more, please tell me right here and I'd be happy to change it.
Window Balance Bracket
Window Balance Bracket
17-083
$2.42
Balance Installation Tool
Balance Installation Tool
75-033
$15.05
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
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