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Optimized Airflow: The 11-inch diameter and 10-inch width configuration maintains consistent static pressure across heat exchangers
OEM Compatibility: Specifically engineered for York
A: Always confirm the coil voltage
Integrated Bracket Design: Ensures proper alignment with the main burner for seamless crossover ignition
Lennox 12J99 Ignition Control Els PW 17895 Optimized Airflow: The 11-inch diameterThe Lennox 12J99 Ignition Control (Part Number 104278 01) is a critical OEM furnace control board designed for precise sequencing of the ignition process in 24 VAC residential heating systems. As a direct cross replacement for legacy components including Lennox 60M32, 12J9901, and the original 104278 01, this module manages the gas valve, ignitor, and flame sensing circuits to ensure safe combustion cycles. This electronic integrated ignition control