Performed heating maintenance 2021 Carrier single stage 95% efficient natural gas furnace Pulled and cleaned flame sensor 20x25x1 Filter is new Visual inspection of burners - no rust Condensate trap is clear No signs of water leaks internal to the furnace No signs of water leaks from external drain lines All accessible portions of exhaust and intake are in good shape, no signs of leakage Run tested furnace Gas pressure is set to 3.0"wc Increased fan speed up one Temperature rise 57⁰ (spec 45-75⁰) No concerns found with the furnace on today's visit Furnace is operating within manufacturer's specifications at this time