Intermatic 156T1978A ON/OFF Tripper for T-Series Timers

Intermatic Timer Pair of Dogs - #156T1978A Features and Benefits: Compatible with WH, T100, T101, T102, T102-20, T103, T104, T104-20, T170, and T7000 series Intermatic mechanical timers. Controls the timing cycle by placing on the timing wheels of certain Intermatic timers. This set includes two trippers: one for ON and one for OFF. The silver tripper activates the timing cycle, while the gold tripper shuts it off.