pilot light issues

A malfunctioning pilot light can disrupt your furnace’s performance, leaving your home uncomfortable during colder months. At Mechanical Air, we specialize in diagnosing and repairing pilot light problems to restore your heating system’s reliability.


What Is a Pilot Light and Why Is It Important?

  1. The Role of a Pilot Light
    The PL is a small flame in your furnace that ignites the burners to produce heat. Without it, your heating system cannot operate.
  2. Common Causes of Pilot Light Problems
    • Dirt or Debris: A dirty PL assembly can block the flame, causing it to go out.
    • Faulty Thermocouple: This safety device shuts off gas if the pilot light extinguishes. If it malfunctions, the PL won’t stay lit.
    • Drafts or Airflow Issues: Strong drafts can blow out the flame, especially in older systems.
    • Gas Supply Problems: An insufficient gas supply prevents the PL from igniting or staying lit.

Signs Your Pilot Light Needs Attention

  • Flame Won’t Stay Lit: If your PL keeps going out, it needs repair.
  • Yellow or Flickering Flame: The flame should burn steady and blue. A yellow or flickering flame indicates an issue.
  • Burner Won’t Ignite: If the burner doesn’t ignite, a PL problem may be the cause.
  • Gas Smell: A faint gas odor near the furnace could indicate an extinguished PL.

Why Pilot Light Problems Matter

  • No Heat Production: A faulty PL prevents the furnace from generating heat.
  • Safety Hazards: Gas buildup from an extinguished PL can pose safety risks.
  • Higher Energy Bills: PL issues can make your furnace inefficient, increasing energy consumption.

How Mechanical Air Can Help

  1. Comprehensive Diagnosis
    Our certified technicians inspect your PL assembly, thermocouple, and gas supply to identify the root cause.
  2. Thorough Cleaning
    We remove dirt and debris from the PL assembly to ensure a clean and steady flame.
  3. Thermocouple Replacement
    If the thermocouple is faulty, we replace it with a high-quality component to keep your furnace safe and functional.
  4. Gas Line Adjustments
    We verify the gas supply and make any necessary adjustments to restore proper operation.

Tips to Prevent Pilot Light Issues

  • Schedule Routine Maintenance
    Regular inspections catch problems before they affect your furnace.
  • Protect Against Drafts
    Seal leaks around your furnace to prevent airflow from extinguishing the flame.
  • Keep the Area Clean
    Dust and debris near your furnace can interfere with the PL.

Call Mechanical Air Today!
If your PL is causing heating problems, call 559-288-6157 now. Our experts will diagnose the issue and get your furnace running efficiently to keep your home warm and safe.

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