I believe I need to replace the balance boxes on my windows. The only number I can find is,,,
(B5 4 19 371)
What would a suitable replacement
Thank Woody
Tom from SWISCO responded:
October 18, 2017
Hey, Woody. I believe the key stamp here is "4 19." Are these numbers printed differently? If so, I would recommend our 24-431 Andersen sash balance.