Performed heating maintenance on 2008 Trane 2 stage natural gas furnace 20x25x4 filter is new Pulled and cleaned flame sensor Condensate trap is clear Burners in good shape Blower is clean Checked humidifier aprilaire 600 Water panel in good shape Humidistat controller is acting wonky, if any issues arise with humidity in the winter, we will need a new aprilaire 60 automatic controller No water leaks during operation Run tested furnace High fire gas pressure 3.5"wc temp rise 57⁰ Low fire gas pressure 1.7" temp rise 58⁰ No water leaks present inside the furnace or on the Condensate drain lines going to the floor drain Furnace is operating within specification at this time