Lennox 56L32 Pressure Switch Els PW 17895 Verify 120V across the terminals

Verify 120V across the terminals using a multimeter

the rubber cartridge is rated for normal HVAC temperatures

Signs include the inducer running without ignition

maintaining accurate MFD tolerances

Lennox 56L32 Pressure Switch Els PW 17895 Verify 120V across the terminalsThe 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