Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested for gas leaks 6. Tested functionality and cleaned flame sensor 7. Tested functionality and cleaned pressure switches and ports 8. Inspected / replaced return filter. 9. Inspected return plenum for debris/ dirty. 10. Inspected evaporator coil. 11. Tested functionality and visually inspected surface igniter 12. Checked blower amp draw. 13. Measured temperature differential from supply to return. 20 degrees measured. 14. Drain line tested with gallon of water for clogs and to push anything trying to solidify out All safety’s and sensors function properly with regards to heating operation. Noticed there was no surge protection on either the outdoor or the indoor unit. Also noticed a decent amount of dust buildup on the blower wheel. This creates drag on the motor, causing it to work harder to function, and ultimately
