Honeywell ST7800C1052 purge timer SKU: cc94ddbae883 Category: Honeywell Description Description Provides the prepurge timing for select 7800 SERIES relay modules. Related products Read more Honeywell RM7897A1002 On-Off Primary Control Read more HONEYWELL M9184D1021 150 lb-in, NSR Actuator, Proportioning control, 24V Read more HONEYWELL M9185C1006 60 lb-in, Spring Return Actuator, Proportioning control, 2 Aux. Switches, 24V Read more HONEYWELL M9185A1018 60 lb-in, Spring Return Actuator, Proportioning control, 24V