Intermatic T101M Timer Mechanism 24-HourKey Fit & Function Direct Replacement Mechanism Fits Intermatic T100 Series metal timer enclosures 24 Hour Mechanical Control Provides reliable on off scheduling using mechanical gears and trippers Pool Equipment Compatible Commonly used to control pool pumps, heaters, lights, and auxiliary equipment (within rated specs) Mechanical Reliability No programming or electronics; dependable operation during power fluctuations Replacement Part Only Internal