HEATER RESET BUTTON: WHAT IT IS AND HOW TO USE IT

Heater Reset Button: What It Is and How to Use It

Heater Reset Button: What It Is and How to Use It

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heater reset button

When your heater stops working unexpectedly, the issue might be as simple as a tripped reset button. Knowing how to locate and use the heater reset button can save you time, money, and discomfort during cold weather. In this guide, we’ll explain what the heater reset button is, why it trips, and how to reset it safely.

What Is a Heater Reset Button?


The heater reset button is a safety feature found on most furnaces and heating systems. It acts as a circuit breaker, shutting off power to the heater when it detects overheating or electrical issues. This prevents potential damage to the system and reduces fire hazards.

Where Is the Heater Reset Button Located?


The reset button is typically:

  • On the furnace itself– Often a red or yellow button near the motor or burner assembly.

  • Behind an access panel– Some furnaces require removing a small panel to reach the button.

  • Near the blower motor– In some systems, it may be located close to the motor housing.


If you can’t find it, consult your heater’s manual or contact a professional HVAC technician for assistance.

Why Does the Heater Reset Button Trip?


Several issues can cause the reset button to trip, including:

1. Overheating


If your furnace gets too hot due to restricted airflow (dirty filters, blocked vents), the reset button may trip to prevent damage.

2. Electrical Problems


Power surges or faulty wiring can trigger the reset button as a safety measure.

3. Short Cycling


If your heater turns on and off too frequently, it can overheat and trip the reset button.

4. Dirty or Faulty Components


A clogged air filter, malfunctioning blower motor, or failing thermostat can cause the system to overwork and trip the reset.

How to Reset Your Heater’s Reset Button


Before attempting a reset, ensure your safety:

  • Turn off the power to the furnace at the breaker.

  • Wait at least 30 seconds before proceeding.


Step-by-Step Reset Process



  1. Locate the reset button(usually red or yellow).

  2. Press and hold the buttonfor about 30 seconds.

  3. Release the buttonand wait a few moments.

  4. Restore powerat the breaker.

  5. Turn the thermostat back onand set it to "Heat."


If the heater doesn’t turn on or trips again immediately, there may be a deeper issue requiring professional repair.

When to Call a Professional HVAC Technician


If your heater’s reset button keeps tripping, it could indicate a serious problem, such as:

  • Failing motor or blower

  • Blocked flue or venting issues

  • Electrical malfunctions


At Green Attics HVAC & Attic Insulation, we specialize in heater repairs, maintenance, and insulation services in Frisco, TX, and surrounding areas. Our certified technicians can diagnose and fix your heating system quickly and efficiently.

Need Help with Your Heater? Contact Us Today!


Green Attics HVAC & Attic Insulation

Call: (214) 305-5449

Visit: 4645 Wyndham Ln Suite 110, Frisco, TX 75033, USA

Website URL: https://greenatticstx.com/

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Hours: Monday to Friday: 9 AM–4 PM, Saturday & Sunday: Closed

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