How to Safely Relight a Pilot Light on a Gas Water Heater

Relighting a pilot light on a gas water heater can be a straightforward task, but safety should always be your top priority. If you’re experiencing issues with your water heater, follow these steps carefully to ensure a safe and effective relighting process.

Understanding the Pilot Light System

The pilot light is a small flame that ignites the gas burner. Its purpose is to light the main burner when needed. If the pilot light goes out, the gas supply usually shuts off automatically to prevent leaks, but relighting it requires caution.

Preparation and Safety Precautions

  • Turn off the gas supply to the water heater.
  • Allow the heater to sit for at least 5 minutes to let any accumulated gas disperse.
  • Ensure good ventilation in the area.
  • Have a long lighter or match ready.
  • Wear protective gloves and safety goggles if desired.

Steps to Relight the Pilot Light

Follow these steps carefully:

Locate the Pilot Light Assembly

Find the access panel on your water heater. The pilot light assembly is usually near the bottom, with a small valve and a pilot tube.

Turn the Gas Control Knob

Rotate the gas control knob to the “Off” position. Wait for at least 5 minutes to ensure all gas has dissipated.

Light the Pilot

Turn the gas control knob to the “Pilot” position. Use a long lighter or match to ignite the pilot light through the access opening. Keep the flame steady until the pilot ignites.

Hold the Reset Button

Some models require you to hold a reset or pilot button for about 30 seconds after ignition. Follow your specific model’s instructions.

Final Checks and Restart

Once the pilot is lit, turn the gas control knob to the “On” position. Listen for any unusual noises and check that the pilot remains lit. Replace the access panel securely.

When to Call a Professional

If you are unable to light the pilot, smell gas, or notice any leaks, turn off the gas supply immediately and contact a licensed technician. Do not attempt to troubleshoot complex issues yourself.

Relighting a pilot light can be safe if done carefully, but always prioritize safety and professional assistance when needed. Regular maintenance can help prevent pilot light issues in the future.