Part on bottom of window that spring hooks too from 1978 built house

Question

Need to replace these on bottom of windows and balance springs  my spring only has 1 cross piece on it not 2 like the newer one's

Tom · Accepted Answer

This exact bracket isn't made anymore, but it resembles our 17-012. This is designed to work with the Series 500 non-tilt spiral balance, so as long as that's the balance you have on your windows then this bracket should work.