1. Check initial operation

  2. Check flue draft

  3. Check filter and belt

  4. Oil motors

  5. Check motor amps

  6. Clean and inspect burners

  7. Check pilot assembly

  8. Clean flame sensors

  9. Check pilot safety circuit

10. Check flames for proper burn

11. Check temperature rise

12. Check fan control

13. Check safety limit control

14. Visually inspect heat exchanger

15. Check carbon monoxide levels

16. Check for rust and corrosion

17. Check on proper vent operation

18. Check any vent damper function

19. Check and level thermostat

20. Check thermostat amps

21. Check thermostat operation

  1. Check initial operation

  2. Check filter

  3. Oil motor and lube bearings

  4. Check belts

  5. Check blower motor amps

  6. Check pulleys, wear & alignment

  7. Check blower wheel

  8. Check electrical connections

  9. Check condenser fan motor amps

10. Check contacts

11. Check wires and fuses

12. Check crankcase heater

13. Check for oil/refrigerant leaks

14. Check fan motor and oil

15. Check fan blade and rainshield

16. Check and clean condenser coil

17. Check systems pressures

18. Check temperature drop over coil

19. Check amp draw on compressor

20. Check and level thermostat

21. Check thermostat operation