Performed furnace clean and tune; inspected the exhaust and intake PVC ensuring all connections were secured, I then removed and cleaned the burners along with the flame sensor, I then performed a combustion test verifying no CO in the airstream, I did want to make note inducer motor has a loud hum sign of bearing wear we’ll need to return to replace it, lastly replaced #35 water panel. This system is currently operating normal at this time. Job complete