Sequencer,24V,SPST,1SW,On:1-20/Off:40-110 Sec.
https://durodyne.com/product/sequencer24vspst1swon1-20-off40-110-sec/
SEQUENCER,40 – 110 S OFF,1 – 20 S ON
CAPACITOR,RUN,RND DUAL,50+7.5 MFD,440V
CAPACITOR,RUN,OVAL DUAL,35+3 MFD,440V
CAPACITOR,RUN,RND DUAL,30+3 MFD,370V
CAPACITOR,DUAL RUN,RND,15+5 MFD,STL
RELAY,POTENTIAL,45VAC,140/153VAC,168VAC
CAPACITOR,START,590 – 708 MFD,110V
BOARD,FAN,CNTRL,24VAC/VDC,50/60 HZ
SENSOR,FLAME,1/4 IN,4 IN,QUICK DISCON
CAPACITOR,START,189 – 227 MFD,220V