Perform heating maintenance on one Daikin forced air gas fired furnace with Aprilaire fan driven humidifier: Shut power to equipment at arrival Replace 20 x 20 by one air filter in return grill and dated Open furnace and blower cabinet doors Vacuum and dusted out furnace cabinet and components Vacuum and brushed out all burner jets Vacuum and dusted blower cabinets and components, clean clear Chemically sprayed and wipe down inside of blower cabinet components and blower motor assembly Secured and inspected electrical wiring, connections and components Inspected flue piping, Inducer motor and assembly Clean flame sensor with copper bristle brush, and polish clean with steel wool Inspected hot service igniter- okay Return power to system Brush, drain line and easy trap, clean and clear and flushed with freshwater Tested furnace operation: Call for heating from thermostat- Inducer motor on, Pressure and limit switches closed, Igniter glow up, Gas valve opens and furnace fires, Blower mo