Fan and electric heat sequencer | 1 switch | on timings 30-90 seconds, off timings 1-30 seconds | replaces Honeywell, Mars, Tod, germline, klaxon (Texas instruments) | direct replacement for most fan/heat sequencing functions. Terminal markings are equivalent to competitive types. - White-Rodgers 1-switch fan and electric heat sequencer - sx-0466678 - manufacturer part number: 24A34-2 - manufacturer: white Rodgers