Performed heating maintenance on 2015 trane 2 stage 80% efficient furnace System is in very good condition Replaced 16x25x4 filter Replaced aprilaire 35 water panel in the humidifier Bypass damper open No water leaks present at this time Cleaned flame sensor Gas pressure 3.5/1.7 Temperature rise 45⁰ Blower clean Burners clean Flue pipe in good shape No concerns found on today's visit