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 Flame Sensor C7027A1023 Read more Honeywell Burner Control RM7800G1018 Read more R7849A1023 Flame Amplifier, UV, FFRT: 2,3sec Read more R7847A1033 Flame Amplifier, Rectific., FFRT: 2,3sec