Lennox 56L32 Pressure Switch Els PW 17895 This length is standard for

This length is standard for many mid-to-high efficiency furnaces

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

Verify 120V across the terminals using a multimeter

Signs include the inducer running without ignition

Lennox 56L32 Pressure Switch Els PW 17895 This length is standard forThe 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