2090 BS I MF
Home Owner from Ft.myers, fl
Mar 27, 2018 2:35 pm
21 inches long has 2090 BS I MF then 28 on the bottom series 9500 aama/nwwda H-R50-5 74 can use supply and how much one
2 Replies
Casey from SWISCO
Mar 28, 2018 9:47 am
We can only determine the strength of the spring from the stamped number. To get a better idea of your replacement, send us the length of the metal balance along with photos of it removed from the window.