Lennox 14A48 Pressure Switch L99H008 maintaining the integrity of the

maintaining the integrity of the HVAC system's pressure regulation

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

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

The Mueller B34412 Valve is a professional-grade 7/8 X 7/8 ANGLE swt-Roto Valve engineered for precise refrigerant control in high-demand industrial piping and HVACR systems

Lennox 14A48 Pressure Switch L99H008 maintaining the integrity of theThe 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.