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this unit is the direct replacement valve for AP14339B and AP14339B-1 models
utilizing standard mounting points to secure the assembly without vibration or rattling
low-profile photoelectric smoke detector designed for precise performance in commercial HVAC and fire alarm systems
OEM Compatibility: Specifically engineered for York
A: Always confirm the coil voltage
Lennox 12J99 Ignition Control Els PW 17895 this unit is the directThe 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