Lennox 56L32 Pressure Switch Els PW 17895 This specific model serves as

This specific model serves as the factory-authorized successor to several legacy part numbers

To maintain accuracy and prevent set point drift

If your unit displays a "pressure switch stuck open" fault code

the rubber cartridge is rated for normal HVAC temperatures

maintaining accurate MFD tolerances

Lennox 56L32 Pressure Switch Els PW 17895 This specific model serves asThe Lennox 56L32 Pressure Switch is a critical safety component specifically engineered for high altitude HVAC applications, typically ranging from 4,501 to 10,000 feet. This genuine OEM replacement part features a Single Pole Single Throw (SPST) configuration with a fixed set point of . 36" WC (Water Column). Designed to monitor the pressure differential within the combustion chamber, this switch ensures the inducer motor is creating sufficient