MODEL 24A34 ELECTRIC HEAT SEQUENCER is a Direct Replacement for Most Fan/Heat Sequencing Functions. Terminal Markings are Equivalent to Competitive Types Product Features Include: Direct replacement for most fan/heat sequencing functions; Terminal markings are equivalent to competitive types; 24 volt input control; Multi-poise mounting; Any contacts (except M1 and M2) can be used as auxiliary contacts; Double quick-connect terminals for combination loads; 23 amp non-inductive + 7 FLA/42 LRA inductive; ON time - elapsed time to make contacts after heater is energized (minimum to maximum); OFF time - elapsed time to break contacts after heater is de-energized (minimum to maximum)