Performed heating maintenance on a 2021 Trane two stage 80% efficient natural gas furnace 16x25x1 filter appears to be brand new No gas leaks detected Flue piping in good shape Blower in OK condition Pulled flame sensor and cleaned Cleared pressure switch port Burners in good shape Blower and inducer motors sound normal, amp draw in spec Run tested furnace High fire gas pressure set to 3.5"wc, temperature rise 37⁰ Low fire gas pressure set to 1.9"wc, temperature rise 35⁰ 0ppm carbon monoxide present around the furnace and water heater No concerns found on today's visit Furnace is operating within manufacturer's specifications at this time
