Lennox 80K52 Pressure Switch 320735-701 This is an A

This is an A

ensuring a precision fit for all size 8 Sure-Flex Plus flanges

Optimized for commercial HVAC maintenance where reliable signal transmission is essential for airflow performance

This double inlet blower wheel features a 11 7/8 inch diameter and a 10 11/16 inch width

requiring no special tools for field calibration

Lennox 80K52 Pressure Switch 320735-701 This is an AThe Lennox 80K52 Pressure Switch is a critical high pressure safety control designed for HVAC system diagnostics and protection. As an OEM Lennox 80K5201 replacement, this autoreset pressure switch monitors discharge lines to prevent compressor damage during high head pressure scenarios. Engineered for R22 refrigerant systems and industrial cooling applications, it features a factory calibrated cut out at 450 PSI and a cut in at 300 PSI, ensuring the