Lennox 20J97 Pressure Switch 320734-701 ensuring seamless integration with existing

ensuring seamless integration with existing liquid lines

protecting the blower shaft and bearings from the eccentric loading typically caused by aftermarket universal alternatives

While originally designed for R-134A

which simplifies inventory management for field technicians

Universal Mounting: Includes a mounting plate for easy installation onto standard electrical switch boxes without removing the cover

Lennox 20J97 Pressure Switch 320734-701 ensuring seamless integration with existingThe Lennox 20J97 Pressure Switch is a mission critical safety component engineered for high efficiency HVAC units requiring precise draft proving. This OEM Lennox replacement part features a 1. 15" WC set point and a Single Pole Single Throw (SPST) configuration, ensuring the combustion air inducer is generating the necessary static pressure before allowing the ignition sequence to proceed. Designed with a standard 1 4" barb connection, it integrates