The Performa 263 and 268 valve replaced the Autotrol 163 and 168 around 2001.
Earlier models used 440 and 460 control timers, and all newer models use the Logix 740 or 760 controllers instead.

Click on Parts Diagram or Parts List to ENLARGE. Order parts from List Below.

Manual = "400" series timers ( 440, 440i, 460i, 460TC )

Manual = "Logix" 740, 760 series timers ( 255 / 268 valve ).

and more MANUALS > Autotrol Service Manuals

Watch this "Tear Down" Video of the Performa Valve