Lennox 19V33 Ignition Control Kit L99H008 which are optimized for water/brine

which are optimized for water/brine

restoring the unit to original factory specifications

This model is configured for Clockwise Lead End (CWLE) rotation

Common Service Questions: Is the 19F21 compatible with older CBX series air handlers

This specific model features a 30-second prepurge to clear the combustion chamber before the 15-second ignition trial begins

Lennox 19V33 Ignition Control Kit L99H008 which are optimized for water/brineThe 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