Lennox 12J99 Ignition Control 30067439-890 Utilizing ball bearings for reduced

Utilizing ball bearings for reduced friction and a 0

Built with a rugged snap-acting SPST switch and silver contacts

Industrial-Grade Piston: Stainless steel shaft prevents bending and maintains smooth linear motion control across the full 2-inch stroke

Key Benefits High Volume Output: Delivers 400 scim flow capacity for fast actuation of large pneumatic dampers and valves

the original gasket loses its compression set and will not provide a reliable seal if reinstalled

Lennox 12J99 Ignition Control 30067439-890 Utilizing ball bearings for reducedThe 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