Grasslin by Intermatic FM1S12HU-120U 12-Hour Electromechanical Timer CONTROL Module, 21A, SPDT, with O CLOCKFACE 120 vac, 21 amp SPDT switch 1/4-inch quick-connect terminals Flush, surface or di rail mounting 96 captive trippers enable up to 48 on/off times in 7.5 minute increments Control up to 1 HP pump