Honeywell, Inc. ST7800C1136 ST7800 Plug-in Purge Timer SKU: 015484df8e89 Category: Honeywell Description Description Provides the prepurge timing for select 7800 SERIES relay modules Related products Read more HONEYWELL M9184D1021 150 lb-in, NSR 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 Read more HONEYWELL M9185D1004 60 lb-in, Spring Return Actuator, Proportioning control, 24V