Introduction
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