Lennox 14T66 Pressure Switch 326058-758 provided the model requires a

provided the model requires a 1

ensuring correct voltage signal processing and terminal matching

preventing vapor from reaching the TXV during low-load cycles

OEM Compatibility: Exact replacement for York model BP090C00B4AAA1A and cross-referenced with part number 208W80 for seamless fitment

Lennox 14T66 Pressure Switch 326058-758 provided the model requires aThe Lennox 14T66 Pressure Switch is a critical dual stage safety component engineered for 90% efficiency modulating gas furnaces. As a veteran technician knows, maintaining the correct pressure differential is non negotiable for safe combustion. This OEM Lennox replacement part is factory calibrated to operate within a specific water column range of 1. 00" to 0. 25" WC, ensuring the inducer motor pulls the required vacuum before the ignition sequence