Lennox Y4749 Replacement Mod 326058-756 Robust Engineering: The NEMA 48Y

Robust Engineering: The NEMA 48Y frame and high-torque PSC design ensure long-term reliability in blower applications

Simplified Installation: 1-1/8" fixed bore fits standard motor shafts for quick HVAC drive component replacement

Reliable Backup: Integrated rechargeable battery maintains settings for over 100 days without external power

it typically comes factory-preset at 25 PSI

this unit provides the exact gas flow required for stable pilot flame performance

Lennox Y4749 Replacement Mod 326058-756 Robust Engineering: The NEMA 48YThe 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