Preventative maintenence inspection on 2021 Bryant high efficiency furnace running in great condition. 20x25x4 air filter in new condition. Clean flame sensor and check ignitor. Visual inspection of burners. Flush condensation trap and drain lines. Test run in heating mode from thermostat. Temperature rise is within specs. Manifold gas pressure is within spec. Blower motor and inducer motor running within spec. 2" pvc flue in good condition and no sign of leaks. 0PPM CO detected during testing. System is operating properly, efficiently and ready for Winter.