This is the Control Board in Case as shown ( with Backwash Face Plate ), Model 740F Logix Electronic Control Day Timer ( pn 1242148 )Assembly used on the GE Osmonics Autotrol 255, 263 and 268 Valves using 12 volt transformer on 60 Hz power source ( USA ).Link to Programming GUIDE
740 board can be programmed for softener cycles, or as a "F" backwash only filter cycles.
the only difference in this version is the word "backwash" on the face plate.
Watch Video to see how Board is Removed and Installed
