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Always verify the maximum design pressure (PS) of the system before installation
Manual Reset Safety: The redundant safety circuit requires physical intervention after a high-temperature trip
This specific model features a 30-second prepurge to clear the combustion chamber before the 15-second ignition trial begins
Contractors rely on this automatic reset pressure control for its sight-set calibrated scale
making it a standard inventory item for field technicians
Lennox 19V33 Ignition Control Kit L99H008 Always verify the maximum designThe Lennox 19V33 Ignition Control Kit (MPN: 607308 20) is the direct OEM replacement engineered to restore the precise furnace ignition sequence for specific Lennox gas fired units. This critical HVAC replacement part functions as the brain of the combustion process, managing the 24V signal from the thermostat to initiate the inducer motor, verify the pressure switch circuit, and energize the spark igniter to light the burners. As a veteran grade