Furnace Pilot Light Keeps Going Out

Tools That May Help

Before calling a professional, these common tools may help you check the issue safely.

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Problem

Pilot light repeatedly goes out during operation.

Common Symptoms

  • Weak airflow from vents
  • System running constantly
  • Uneven indoor temperatures
  • Higher energy bills

Possible Causes

  • Faulty thermocouple
  • gas supply issue
  • draft interference

How To Fix It

  • Check thermocouple
  • inspect gas flow
  • shield from drafts

Safety Tip

Always shut off power to the HVAC system before inspecting wiring or internal components.

When To Call A Professional

If pilot will not stay lit, call a professional

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