Replacement knob - fits FD, FF series in-wall spring wound timers
Use these tripper pins to replace missing pins or add extra set points to your mechanical time switch. The pins fit all Intermatic T100 Series time switches, as well as the WH40 electric water heater time switch. One ON tripper and one OFF tripper is included.
- Add extra ON/OFF operations
- Sturdy metal construction
- Color coded
- 1 set of ON/OFF trippers included