i have four windows . they all need new counter balance aluminum window,single hung
A contractor says:
November 11, 2020
28"
Bob from SWISCO responded:
November 16, 2020
See either our S380-28 or S385-28. The only difference between these two balances is the bottom nylon shoe depth, so compare both with your old hardware to see which matches up. In either case choose a stamp option of 2740.