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Robust Engineering: The NEMA 48Y frame and high-torque PSC design ensure long-term reliability in blower applications
You can use the 1-5 VDC feedback signal terminals to monitor branch pressure via your controller's analog input
preventing automatic burner restarts
Reliable Backup: Integrated rechargeable battery maintains settings for over 100 days without external power
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
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