446-035

This Lennox Control Board is a high-performance ignition modulating circuit board designed to serve as the central processing unit for residential heating systems. As a critical HVAC replacement part, it manages the complex sequences of furnace operation, including gas valve regulation, blower motor speeds, and ignition timing. If your heating system is experiencing intermittent heating, ignition failure, or communication errors, this integrated control board restores optimal efficiency and safety by monitoring system sensors and providing real-time diagnostics. Engineered for reliability, this modulating control board helps maintain precise temperature control and peak energy efficiency in compatible gas furnaces and air handling units.
Type: HVAC Ignition Modulating Control Board
Size: Medium
Application: Designed for use in high-efficiency residential gas furnaces and modulating HVAC heating systems to manage ignition, blower cycles, and safety protocols.
Specifications: Integrated modulating gas valve control, advanced microprocessor logic for heating cycle management, and diagnostic LED indicators for simplified troubleshooting and system monitoring.