Programmer, Relight function

Programmer, Relight function. For MC230, MC120E only

Programmer, 5 sec TFI, lockout on flame failure. For MC230 only

Programmer, Selectable recycle/non-recycle function, TFI, and purge timing

Programmer, Selectable recycle/non-recycle function, TFI, and purge timing. Pilot cutoff, check-run switch

Programmer, Selectable TFI, and purge timing. Pilot cutoff, pilot stabilization, lockout on loss of air flow, non-recycle, check-run switch