How to Relight a Pilot Light Furnace: 1 Minute to a Warm Home

Relighting a pilot light on a furnace is a common home maintenance task, especially during colder months when heating is essential. The pilot light acts as a small, continuously burning flame that ignites the gas and enables your furnace to generate heat. If your pilot light goes out, it's important to relight it safely following these steps. First, locate your furnace’s control panel, typically found near the bottom of the unit. Turn the gas control knob to the "off" position and wait at least five minutes to allow any residual gas to dissipate, ensuring a safe environment. Next, turn the knob to "pilot." Hold down the reset button while using a long lighter or match to carefully reignite the pilot light. Continue holding the reset button for 30 seconds after the flame is lit, then release slowly. If the light remains on, turn the knob back to the "on" position. If it doesn’t stay lit, repeat the process once more. Always consult your furnace's manual for model-specific directions, and call a professional if you're unsure or if the problem persists.

Tips 1:

As an interior designer, I always remind homeowners to consider the placement and maintenance accessibility of their furnaces when planning or renovating a utility room. Integrating organized, clutter-free zones around the furnace makes tasks like relighting a pilot light or regular servicing much simpler and safer. Tools like a room planner can help you visualize and optimize the layout of utility spaces efficiently, ensuring both function and ease of access.

FAQ

Q: What causes a furnace pilot light to go out?

A: Common causes include drafts, a dirty or faulty thermocouple, or interruptions in the gas supply.

Q: Is it safe to relight a pilot light by myself?

A: Yes, as long as you follow all manufacturer instructions and safety precautions, like allowing gas to dissipate before relighting.

Q: What should I do if the pilot light won’t stay lit?

A: This can indicate a problem with the thermocouple or gas valve. If relighting fails after several attempts, call a professional technician.

Q: How often should I check my furnace pilot light?

A: Periodically during heating season, especially if you notice the furnace isn’t producing heat as expected.

Q: Can I convert my old pilot light furnace to electronic ignition?

A: In some cases, yes—consult with a certified HVAC professional to evaluate if your furnace can be retrofitted for electronic ignition.