technicians recommend replacing the complete 100112654 Blower kit to avoid seal failure or imbalanced fan issues

For the 143-80 series

this kit is the standard solution for Sporlan valve repair

or a persistent pressure switch error preventing the ignition sequence

Hubbell Industrial Controls 69HA2 Pressure Switch 322838-753 technicians recommend replacing the completeThe Hubbell Industrial Controls 69HA2 Pressure Switch is a heavy duty electromechanical controller engineered for precise automation in industrial air compressor and water systems. Designed to handle the rigorous demands of large scale commercial compressors, this dual pole pressure switch features a 10 PSI cut in and 125 PSI cut out configuration, providing a stable 20 35 PSI differential range. Its rugged construction includes a painted steel case