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it uses a bimetal disc and PTC heater to stagger the activation of heating elements and blower motors
The stainless steel ball float must be purchased separately or salvaged from the existing unit if it remains buoyant
it ensures seamless integration with York
Key Benefits Precise Pressure Control: calibrated for a reliable 1
Lennox 12J99 Ignition Control 30067439-890 it uses a bimetal discThe 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
