Description
The Honeywell RM7850A2001 2-Stage Full Burner Control Module 120V PP CE is an electronic controller used in gas-fired furnaces and boilers to regulate ignition sequencing and heater operation in HVAC systems. The essential role to maintain the secure inputs and monitor the first- and second-stage burner operation, including spark or hot surface ignition, flame sensing, flame rollout protection. The module is mounted in the control compartment that is connected to ignition, flame sensor, gas valve and thermostat circuits. It assists in the proper sequencing of the system, uniformity of combustion performance and improved system safety in multi-stage heating systems.









