Lennox Y4749 Replacement Mod 323269-701 and compressed air

and compressed air

Cost-effective diagnostic tool that supports preventative HVAC maintenance and billable service verification

providing instantaneous flame adjustment for direct-fired systems

This motor is a critical component for contractors requiring precise HVAC blower motor replacement specifications and consistent 5

Direct OEM Fit: Drop-in compatibility replaces obsolete part numbers B1037509 and B1037519 without field modifications

Lennox Y4749 Replacement Mod 323269-701 and compressed airThe Lennox Y4749 serves as the primary Pulse Furnace Replacement Mod, specifically engineered to replace the legacy G891TCA series direct spark ignition controls. This Baso BGN891 2C module is a critical 24V component for maintaining the unique combustion cycle of the Lennox Pulse furnace, providing precise timing for pre purge, trial for ignition, and inter purge sequences. As a veteran grade furnace ignition control board, it is designed for a wire