Honeywell ST7800C1029 Purge Timer 4 min. SKU: 32dff0bfcfaf Category: Honeywell Description Description The Honeywell ST7800C1029 PURGE TIMER 4 MINUTE TIMING. Related products Read more Honeywell RM7897A1002 On-Off Primary Control 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 M9194E1000 300 lb-in, NSR Actuator, Proportioning control, 1 Aux. Switch, 24V