Honeywell RM7890 Honeywell RM7890 Microprocessor-Based On/Off Primary Control

Honeywell RM7890 Microprocessor-Based On/Off Primary Control

Send Us Enquiry	Model No : RM7890 Product Name : Honeywell RM7890 Microprocessor-Based On/Off Primary Control Price : Ask Quantity : Ask Manufacturer : Honeywell Category : Burner and Boiler Controls Condition : New Description : * Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics, and troubleshooting * Five LEDs provide sequence information. Optional local or remote annunciation of operation and fault information * Selectable relight or lockout on loss of flame * Valve proving feature tests valve seat integrity to detect a leak greater than 0.1% of burner input capacity * Requires S7800A1142 keyboard to set up valve proving (VPS) and change post-purge time