York S1-024-35706-005 Motor L99H008 you enhance the reliability of

you enhance the reliability of outdoor air dampers and economizer kits where standard NEMA 1 ratings are insufficient

the 3-speed configuration allows the Lennox 78F90 to be wired for different speeds—typically a lower speed for heating to maximize temperature rise and a higher speed for cooling to manage latent heat removal

the 2721-628G is the appropriate equivalent

though it is recommended to inspect all gaskets during the core changeout

Local Control: The Override Switch allows technicians to manually force the load on or off for fast troubleshooting

York S1-024-35706-005 Motor L99H008 you enhance the reliability ofThe York S1 024 35706 005 Motor is a high efficiency 1HP ECM Motor designed specifically for demanding HVACR applications. Operating on 208 230V single phase power, this electronically commutated motor provides superior torque and speed control compared to standard PSC alternatives. Built for reliability in York blower assemblies, it features an integrated control module that optimizes airflow and reduces energy consumption across varying static