Windowmaster channel balance

A quick learner from USA says:
CAN YOU PLEASE TELL ME THE PART NUMBER FOR MY WINDOWMASTER "WINDOW CHANNEL BALANCE"

CHANNEL BALANCE PHOTOS-ATTACHED

SINGLE HUNG NON-TILT WINDOW
CHANNEL (ONLY) LENGTH = 32 IN.
CHANNEL WIDTH: 1/2 IN. (9/16 IN.)
WEIGHT CAPACITY (STAMP ON CHANNEL) = 3140 (23-28 LBS)
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thank you for posting, in my experience customers with Window master windows, have used our S385-32 side load balance with a spring weight 3140 option.
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