Pilot lights may be fading into the past, but if you have older gas appliances, you probably still need to light one from time to time. 

Whether it’s your furnace, fireplace, or water heater, here’s how to relight a pilot light—and when to call in the pros.

First Things First: Safety Matters

Before you strike a match, take a moment to be safe.

Most gas appliances are equipped with a thermocouple, a safety feature that stops gas from flowing if the pilot light goes out. Still, never leave a pilot light off for long, and always turn the gas valve to OFF before attempting to relight.

Wait 5 to 10 minutes to let any lingering gas clear out. This step is crucial.

And don’t forget: Always check your owner’s manual before relighting. Each appliance is a little different, and the manual will guide you safely.

What You’ll Need

  • A grill lighter or long match
  • Optional: a screwdriver or wrench (depending on the appliance)

Common Appliances with Pilot Lights

You may still find pilot lights on appliances like:

  • Gas furnaces
  • Boilers
  • Gas fireplaces
  • Gas water heaters

If one of yours has gone out, your manual will show you where to access it and how to relight it. Most involve holding a reset or pilot button while applying a flame to the pilot opening until the flame catches.

What If the Pilot Light Won’t Stay Lit?

If the flame goes out again after you light it, the thermocouple could be the issue. It may need to be cleaned or replaced—and that’s a job best left to a professional.

In the meantime, turn the gas valve to OFF for that appliance and avoid trying to relight it again until it’s repaired.

Good news: If you have America’s Preferred Home Warranty, your plan may help cover the cost of that repair. Just file a claim and we’ll help from there.

Lighting a pilot light doesn’t have to be a hassle—as long as you stay safe, follow your manual, and know when to call in expert help.

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