446-189

This premium Direct Spark Ignition (DSI) Control Board is a critical replacement component designed to manage the ignition sequence and burner operation in gas-fired heating systems. As a central processing hub for your HVAC unit, this circuit board orchestrates the gas valve opening, spark initiation, and flame safety monitoring. It is engineered to detect ignition failures and ensure safe operation by shutting down the system if a flame is not sensed. Perfect for repairing furnaces or rooftop units that fail to light or experience intermittent heating cycles, this durable control module provides reliable performance and restores essential climate control to your space.
Type: Ignition Control Board
Application: Designed for use in gas-fired heating applications, including commercial rooftop units (RTUs), packaged HVAC systems, and high-efficiency furnaces.
Specifications: Direct Spark Ignition (DSI) logic, integrated flame sensing circuitry, gas valve relay control, and diagnostic LED capabilities for troubleshooting.