120-977

This high-performance Ignition Modulating Control Board serves as the central processing hub for your residential HVAC system. Engineered to manage the complex ignition sequence and gas valve modulation, this circuit board ensures your furnace or air handler operates with maximum energy efficiency and consistent temperature output. It monitors critical safety components, including flame sensors and limit switches, providing reliable protection and diagnostic capabilities through integrated LED indicators. If your heating system is experiencing ignition failure, intermittent cycling, or unresponsive blower motor commands, this AVC/MVC control module is the essential replacement component to restore optimal climate control and indoor comfort.
Type: Ignition Modulating Control Board
Size: Medium
Application: Used in high-efficiency residential furnaces, air handlers, and modulating heating systems to regulate ignition timing, airflow, and heat output.
Specifications: Features modulating heat control, integrated flame sensing technology, diagnostic status lights, and multi-speed blower motor management.