Honeywell ST7800C1011 – 20 SECOND PURGE TIMING SKU: 07a3e80a53ff Category: Honeywell Description Description The Honeywell ST7800C1011 PURGE TIMER 20 SECOND TIMING. Related products Read more HONEYWELL M9185D1004 60 lb-in, Spring Return Actuator, Proportioning control, 24V Read more R7847A1033 Flame Amplifier, Rectific., FFRT: 2,3sec Read more Honeywell RM7897A1002 On-Off Primary Control Read more HONEYWELL M9185C1006 60 lb-in, Spring Return Actuator, Proportioning control, 2 Aux. Switches, 24V