Lennox 14A48 Pressure Switch L99H008 This motor features a 48Y

This motor features a 48Y NEMA frame with a Totally Enclosed Air Over (TEAO) enclosure

this 170F oil temp control ensures the fuel reaches the precise viscosity required for efficient atomization

Common Questions What was the original part number for this cartridge

Applications exceeding 2 PSI require a certified overpressure protection device (OPD)

OEM Precision: Genuine Source1 part ensures exact electrical matching for York

Lennox 14A48 Pressure Switch L99H008 This motor features a 48YThe Lennox 14A48 Pressure Switch is a high performance OEM replacement part engineered for two stage gas furnaces and HVAC systems requiring precise differential pressure monitoring. This dual stage pressure switch features a factory calibrated low set point of 0. 50" W. C. and a high set point of 0. 85" W. C., ensuring the inducer motor maintains proper static pressure for safe combustion cycles. Built with a robust diaphragm and an SPST N. O.