Performed heating maintenance on a 2025 Bryant Evolution 97% efficient modulating natural gas furnace Replaced aprilaire 210 filter with the one provided with platinum maintenance Disassembled aprilaire 600 humidifier #35 water panel in good shape Reassembled, opened humidifier bypass damper to winter position Verified correcr operation and no water leaks at this time Pulled flame sensor and cleaned Condensate trap clear No signs of gasket leaks internal to the furnace cabinet Burners are spotless No signs of any corrosion to heat exchanger front cell panel and inlet to primary cells Run tested furnace Low fire for 15 minutes: Gas pressure set to 0.5"wc Temperature rise 39⁰ (spec 35-65⁰) High fire for 15 minutes: Gas pressure set to 3.2"wc Temperature rise 50⁰ (spec 40-70⁰) Everything is in perfect shape and operating within factory specs at this time
