JASCO 15602 Universal Replacement Timer Tripper, 2-Pack, Fits most GE Time Switches Replace old or inoperable tripper switches with the Replacement Timer Trippers 2-pack includes two replacement timer trippers The Replacement Timer Tripper turns cycle timers on or off. Fits most GE time switches  specifically 15163, 15164, 15328, 15600, and 15601