Honeywell RM7840E1016 Programmer Control SKU: 8dbec7430db1 Category: Honeywell Description Description Honeywell RM7840E1016 120V 50/60 HZ. AIRFLOW SWITCH CHECK OPTION. INCLUDES DUST COVER. Related products Read more Honeywell Flame Sensor C7027A1023 Read more Honeywell RM7897A1002 On-Off Primary Control Read more Honeywell Wiring Subbase Q7800A1005 Read more Honeywell Burner Control RM7800G1018