how to relight water heater

How to Relight Water Heater: A Step-by-Step Guide for a Warm, Comfortable Home

Do you find yourself shivering under a cold shower? Don’t worry, your water heater is probably just waiting to be re-lit. Relighting a water heater may seem intimidating, but it’s a relatively easy DIY task that anyone can handle with a little bit of guidance. Here’s a step-by-step guide to help you get your water heater back up and running in no time.

1. Safety First!

Before you start, turn off the gas supply to the water heater and let the unit cool down completely. This is crucial to prevent any potential gas leaks or hazards.

2. Locate the Pilot Light Assembly

Identify the pilot light assembly, which is typically located at the bottom of the water heater. It’s usually covered by a small metal panel that you can remove by unscrewing a few screws.

3. Check the Thermocouple

The thermocouple is a small, rod-shaped device that controls the gas flow to the pilot light. If the thermocouple is faulty, the pilot light won’t stay lit. Use a multimeter to test the thermocouple for continuity. If it’s faulty, replace it.

4. Clean the Pilot Light Assembly

Dust and debris can accumulate in the pilot light assembly, hindering its ability to ignite. Use a vacuum cleaner or a soft brush to gently remove any buildup.

5. Light the Pilot Light

Locate the pilot light knob and turn it to the "Pilot" position. Press and hold the red reset button while using a long lighter or match to ignite the pilot light. Keep the button pressed for about 30 seconds to allow the thermocouple to heat up and activate the gas flow.

6. Adjust the Flame

Once the pilot light is lit, adjust the flame to an appropriate size. The flame should be about 1 inch long and should burn steadily without flickering.

7. Reassemble the Assembly

Replace the metal panel over the pilot light assembly and tighten the screws securely.

8. Turn on the Gas Supply

Slowly turn the gas supply knob back on and check for leaks with a soapy water solution. If you notice any bubbles, tighten the connections until the leaks stop.

9. Enjoy Warm Water!

Your water heater should now be re-lit and ready to provide you with warm, comforting water.

Tips

• If you have an electric water heater, you won’t have a pilot light to relight. Instead, check the electrical panel for any tripped breakers or blown fuses.
• If you repeatedly fail to relight the pilot light, there may be an underlying issue with your water heater. Contact a qualified plumber for assistance.
• Regular maintenance can help prevent water heater problems. Consider draining and flushing your water heater annually to remove sediment and prolong its lifespan.

FAQ about Relighting Water Heater

1. What is a pilot light and why does it go out?

A: A pilot light is a small flame that keeps the water heater burner ignited. It can go out due to factors such as drafts, power outages, or gas leaks.

2. How can I tell if the pilot light is out?

A: You can usually see the pilot light through a small window on the water heater. If it’s not lit, you’ll need to relight it.

3. What tools do I need to relight the pilot light?

A: You will need a long-neck lighter or match, and possibly a flashlight if the area is dark.

4. How do I locate the pilot assembly?

A: The pilot assembly is usually located at the bottom of the water heater. It consists of a pilot light, a thermocouple, and a gas control valve.

5. What steps should I follow to relight the pilot light?

A:

1. Turn off the gas supply to the water heater.
2. Wait 5 minutes for any remaining gas to dissipate.
3. Locate the control knob and set it to "pilot."
4. Push in the control knob and hold it down while lighting the pilot.
5. Once the pilot is lit, release the knob.
6. Hold the knob down for 30-60 seconds until the thermocouple heats up.
7. Turn the control knob to "on."

6. What should I do if the pilot light won’t stay lit?

A:

1. Check that the thermocouple is clean and not bent.
2. Ensure that the pilot light is positioned correctly in front of the thermocouple.
3. If the problem persists, call a licensed plumber for assistance.

7. How can I prevent the pilot light from going out in the future?

A:

1. Keep the area around the water heater free from drafts.
2. Schedule regular maintenance to ensure proper operation.
3. Have a carbon monoxide detector installed near the water heater.

8. Is it safe to relight the pilot light myself?

A: Yes, it is generally safe to relight the pilot light yourself if you follow the proper steps carefully. If you are not comfortable doing so, contact a qualified technician.

9. What are some warning signs that I should call a plumber?

A:

1. You smell gas.
2. The pilot light won’t stay lit.
3. You notice any leaks or corrosion on the water heater.
4. The water heater is not heating the water properly.

10. How often should I relight the pilot light?

A: Only if it goes out. Under normal circumstances, it should not need to be relit frequently.