Performed heating maintenance Cleaned electronic air cleaner Checked humidifier, water panel looks new, tested operation... no water leaks at this time Pulled flame sensor and cleaned Pulled and cleaned burners Condensate trap clear Run tested furnace, checked gas pressure while running a combustion test High fire gas pressure 3.4" Temp rise 56, combustion test results great Low fire gas pressure 0.9" Temp rise 63, combustion test great Tested supply duct air for carbon monoxide: 0ppm detecged Furnace is operating within factory specifications
