Heating Maintenance on American Standard Gas Furnace system. Perform a tune-up and cleaning to help ensure reliable and safe operation. Inspect for cracks & deterioration of Heat Exchanger Check and clean Burners, brush and vacuumed-ok Check and clean Air Filter- replaced. x1) 20x25x1 provided by customer Check and clean ignition Assembly-ok Check and clean- flame sensor-ok Check Safety Controls-ok Check CO2-CO- okay Check electrical wiring and components-ok Check Gas valve & Gas Line-ok Check Combustion Air, intake & exhaust lines-ok Check Temperatures settings Performance-ok Check and clean condensate water traps-ok Check and clean condensate pump- washed out. Check and cleaned Humidifier- Cartridge & Cabinet Hum water panel- #45 provided by customer Check and run Thermostat-operating at this time. Inspected water heater Check for water leak- no leakage at this time. Check gas valve and gas Line-ok Ran water heater, operating well at this moment. Ran and monitored system, left system