460TC Replacement Timer Assembly for 440 Series with Transformer Complete 460TC (4001086) 60 Hz ( timer clock ... NOT metered) The 460TC replaces all previous 440, 440i, 1040778 Timer Assemblies Includes 12 volt AC transformer 1000811 Fits on older Autotrol 150,155,160, 163, 168 Valves, and newer 255, 263, and 268 Valves that have 440, 440i, 440iHV or 460i timers 90 days free exchange warranty